Answers
Answer:
1. Individuals with thicker fur had a survival advantage in the cold environment, allowing these individuals to reproduce more often and create more offspring.
2. random mating
3. The green skin color is being selected over blue skin color.
4. DNA
5. They show intermediate steps in the evolution process.
6. Different islands had very different food resources available, and only individuals that were adapted to eat those food resources survived and reproduced on that island.
7. Those who have traits that help them survive are able to reproduce, and their offspring have those traits, leading to a change in the species over time.
8. It makes them unrecognizable to the immune system.
9. The exposure of human populations to less UV light required a reduction in melanin to produce more vitamin D for healthier bones.
10. the correlation between air pollution and white moth predation
11. It is a biological process that leads a population to have a widespread expression of an advantageous trait.
Answer:It makes the unrecognized to the immune system:)
Explanation:
Related Questions
How do vaccines act on germs?
Answers
Answer:
a vacine work by traning the immune system by reconize and combine either virus or bacteria.
Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA?
Answers
Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA? They used Chargaff's rule to determine that it contains ribose sugar. They used Franklin's photo to determine that DNA was a double helix. They used Levene's work to determine the number of base pairs in each strand. They used Nirenberg and Matthei's studies to determine that DNA is made of nucleotide
The statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA.
A) They used Chargaff's rule to determine that it contains ribose sugar.
B)They used Franklin's photo to determine that DNA was a double helix.
How, explain your answer briefly?Watson and Crick used pieces of information available from different researchers such as Chargaff's rules and Franklin.
Chargaff had explained that the four kinds of nucleotides are present in a DNA molecule in such a manner that 2 types of nucleotides were always present in the same amounts and the other 2 types of nucleotides were also always present in the same amounts.
The first X-ray picture of DNA, created by Rosalind Franklin using a technique known as X-ray crystallography, which led to Watson and Crick's model of DNA. It explained the helical shape of the DNA molecule.
Thus, The correct statement is-They used Chargaff's rule to determine that it contains ribose sugar. They used Franklin's photo to determine that DNA was a double helix.
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which phase of cell division is shown?
Answers
Answer:
cell division is shown in anaphase
Use the scenario to answer the question.
Scientists have discovered a new planet. The planet is in a solar system whose star is similar in size to the sun and is about as far from the star as Venus is from the sun. The planet is similar in size to Earth, and its atmosphere is similar in thickness to Earth’s atmosphere. The atmosphere is composed almost entirely of carbon dioxide and methane.
In three to five sentences, make a hypothesis about the temperature on the planet’s surface. Explain your answer using information about the planet’s location and atmosphere.
Answers
The temperature of this planet is more than planet earth due to its location and composition of atmosphere.
The temperature of new planet is about 900 degree Celsius because it is present nearer to the sun as compared to earth. The gases which is present in its atmosphere are green house gases i.e. carbondioxide and methane gases which also contributes in the higher temperature of this planet.
Greenhouse gases trapped the reflected solar radiation and make the surrounding environment more warmer so we can conclude that the temperature of this planet is more than planet earth due to its location and composition of atmosphere.
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____________ sweat by water from the leaf cells __________________ into the air, which pulls _______________________ from the leaf into the air.
Biotic = ________
Examples of biotic factors in a forest: ________
Abiotic = ________
Examples of abiotic factors in a forest: ________
Give an example of a predator/prey relationship in the forest: ________
Answers
Answer:
Explanation:
Transpiration occurs when plants take up liquid water from the soil and release water vapor into the air from their leaves.
Answer:
Plants sweat by water from the leaf cells evaporating into the air, which pulls nutrients from the leaf into the air.
Biotic refers to living factors in an ecosystem.
Examples of biotic factors in a forest include trees, plants, animals, fungi, and bacteria.
Abiotic refers to non-living factors in an ecosystem.
Examples of abiotic factors in a forest include sunlight, temperature, rainfall, soil nutrients, and air quality.
An example of a predator/prey relationship in the forest is the relationship between wolves and deer. Wolves are predators that hunt and eat deer, while deer are prey that are hunted and eaten by wolves. This relationship has a significant impact on the populations of both species and can affect the overall balance of the ecosystem.
HELP FAST PLEASE. Vacuoles in different organisms and cell types typically have different compositions and functions. Which of the
following pairs are most similar in composition and function?
•central vacuoles in plant cells and food vacuoles in amoebas that store sugar
•contractile vacuoles in unicellular eukaryotes and central vacuoles in plant cells
•contractile vacuoles in unicellular eukaryotes and small storage vacuoles in plant cells
•food vacuoles in amoebas and lytic vacuoles in plants that contain hydrolyzing enzymes
Answers
Answer:
The answer is B
Explanation:
Jus took the test on edgenuity
Answer:
Food vacuoles in amoebas and lytic vacuoles in plants that contain hydrolyzing enzymes
1. What is the function of the mitochondria in a cell?
2. What is the difference between a prokaryotic cell and a eukaryotic cell?
3. What is the function of ribosomes in a cell?
4. What is the function of the endoplasmic reticulum in a cell?
5. What is the difference between a plant cell and an animal cell?
6. What is the function of the Golgi apparatus in a cell?
7. What is the function of lysosomes in a cell?
8. What is the function of the cytoskeleton in a cell?
9. What is the difference between passive and active transport?
10. What is osmosis?
Answers
Answer:
1. The mitochondria are responsible for producing energy in the form of ATP through cellular respiration.
2. Prokaryotic cells are smaller and do not have a nucleus or membrane-bound organelles, while eukaryotic cells are larger and have a nucleus and membrane-bound organelles.
3. Ribosomes are responsible for synthesizing proteins in the cell.
4. The endoplasmic reticulum is responsible for protein and lipid synthesis and transport within the cell.
5. Plant cells have cell walls, chloroplasts, and larger vacuoles, while animal cells do not have cell walls, chloroplasts, or large vacuoles.
6. The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids for transport within the cell or for secretion outside the cell.
7. Lysosomes are responsible for breaking down and digesting waste materials and cellular debris within the cell.
8. The cytoskeleton is responsible for maintaining cell shape, providing support and structure, and facilitating cell movement and division.
9. Passive transport does not require energy and involves the movement of molecules from an area of high concentration to an area of low concentration, while active transport requires energy and involves the movement of molecules from an area of low concentration to an area of high concentration.
10. Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of high water concentration to an area of low water concentration.
I hope these answers are helpful! Let me know if you have any more questions.
Answer:
1. The function of mitochondria in a cell is to produce energy in the form of ATP through cellular respiration. Mitochondria are also involved in other cellular processes such as apoptosis (programmed cell death), calcium signaling, and lipid metabolism.
2. Prokaryotic cells are smaller and simpler in structure than eukaryotic cells. Prokaryotic cells lack a nucleus and other membrane-bound organelles, while eukaryotic cells have a nucleus and various membrane-bound organelles.
3. Ribosomes are responsible for protein synthesis in a cell. They read the genetic code stored in messenger RNA (mRNA) and use it as a template to link amino acids together in the correct order to form a protein chain.
4. The endoplasmic reticulum (ER) is involved in protein synthesis, folding, and modification. It is also involved in lipid synthesis, calcium storage, and detoxification of drugs and toxins.
5. Plant cells have a cell wall, chloroplasts, and a large central vacuole, while animal cells lack these structures. Additionally, plant cells are typically larger than animal cells.
6. The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids for transport to their final destinations. It consists of a series of flattened sacs called cisternae.
7. Lysosomes are involved in the breakdown of cellular waste and debris, as well as the degradation of damaged or unneeded cellular components. They contain enzymes that can break down various biomolecules such as proteins, lipids, and nucleic acids.
8. The cytoskeleton is a network of protein fibers that provides structural support to the cell, helps maintain cell shape, and enables cell movement and division. It is made up of three main types of fibers: microfilaments, intermediate filaments, and microtubules.
9. Passive transport is the movement of molecules across a cell membrane without the input of energy, while active transport requires the input of energy to move molecules against their concentration gradient. Passive transport includes diffusion, osmosis, and facilitated diffusion, while active transport includes primary and secondary active transport.
10. Osmosis is the diffusion of water across a selectively permeable membrane from an area of high water concentration (low solute concentration) to an area of low water concentration (high solute concentration). It is a type of passive transport and is important for maintaining the water balance in cells.
Hope this helps!
uses of biotechnology in washing powder making
Answers
Answer:
Here are some uses of biotechnology in the production of washing powders:
Enzymes: Enzymes are commonly used in washing powders to enhance the cleaning efficiency and remove various types of stains. Proteases, amylases, lipases, and cellulases are examples of enzymes used in washing powders. These enzymes break down protein-based, starch-based, lipid-based, and cellulose-based stains, respectively, into smaller fragments, making them easier to remove during the washing process.
Bio-surfactants: Surfactants are essential components of washing powders as they help to remove dirt and oil from fabrics. Biotechnology allows for the development of bio-surfactants, which are surfactants derived from biological sources, such as bacteria or yeast. These bio-surfactants are more environmentally friendly than traditional surfactants as they are biodegradable and have lower ecological impact.
Microbial Strains: Biotechnology can be used to isolate, characterize, and optimize microbial strains that produce enzymes or bio-surfactants. Microorganisms, such as bacteria and fungi, can be engineered or selected for their ability to produce specific compounds that enhance the cleaning performance of washing powders.
Genetic Modification: Genetic modification techniques can be employed to enhance the properties of microorganisms used in the production of enzymes or bio-surfactants. This allows for the creation of microorganisms with improved characteristics, such as increased enzyme activity or enhanced stability under varying conditions.
Fermentation Processes: Biotechnology facilitates the use of fermentation processes to produce enzymes and bio-surfactants at a large scale. Fermentation involves the controlled growth of microorganisms in bioreactors, where they produce enzymes or bio-surfactants through metabolic processes. This enables the efficient and cost-effective production of these ingredients for use in washing powders.
Explanation:
The functions of the oral cavity include all of the following, except:_________a. mechanical processing of food. b. digestion of carbohydrates. c. analysis of material before swallowing. d. lubrication. e. absorption of monosaccharides.
Answers
Answer:
e. absorption of monosaccharides
Explanation:
The oral cavity is the first part of the digestive system where food is received, crushed, mixed with digestive enzymes secreted at that level, and also where the food is turned into the form of bolus before it is being channeled down through the pharynx into the alimentary canal for further digestion.
The oral cavity is also a site for respiration and speech production.
It is made up of the teeth, hard and soft palate, tongue and other vital parts that play different roles in food digestion.
The function of the oral cavity does not include absorption monosaccharides.
Plate motion occurs as a consequence of convection in Earth's
crust
mantle
core
Answers
The movement of these tectonic plates is most likely caused by convection currents in the molten rock beneath the crust of the Earth. The immediate consequences of this tectonic shift are earthquakes and volcanic eruptions.
What effect does this plate movement have?Mountains will grow where plates converge or push together, and continents will split and oceans will form when plates pull apart or diverge. The Earth's geography has changed significantly over the span of millions of years as a result of the continents passively drifting with the plates.
What causes the mantle's plates to move?The plates fit tightly against one another and lie on the heated, molten rock of the Earth's mantle like fragments of a split shell.
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for a nuclear factor known as STAT3.
Based on the information in the passage, which protein domain of STAT3 is NOT predicted to play a role in its signaling?
O Nuclear localization domain
O Signal sequence domain
O DNA binding domain
O Protein binding domain
Answers
The protein domain of STAT3, which is not expected to play a role in STAT3 signaling, is the signal sequence domain. Correct answer: letter B.
The signal sequence domain of STAT3 is a protein domain that is not expected to play a role in STAT3 signaling. This domain is located at the amino-terminal end of the protein and is responsible for targeting STAT3 to the endoplasmic reticulum for further post-translational modification.
The signal sequence is a short hydrophobic region of about 20 amino acids that is recognized and bound by the SRP (signal recognition particle) receptor of the endoplasmic reticulum membrane. Once bound, the SRP receptor helps STAT3 to enter the endoplasmic reticulum, where it can be modified, folded, and transported to its eventual destination.
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in many single-celled organisms, reproduction occurs asexually by producing spores and sexually by producing?
Answers
In most of the single celled organisms like fungus, spyroghyra, etc, reproduction occurs asexually.
A certain type of non-native fungus has affected crops on Tim’s farm. Tim has decided to use a chemical control method to eradicate the invasive species. He applied a pesticide to the outer layer of the stems of his crops. Which chemical control method did Tim use?
Answers
Tim used a chemical control method known as pesticide application.
Pesticide application involves the use of chemicals to control or eradicate pests, such as insects, fungi, and weeds. In Tim's case, he applied a pesticide to the outer layer of his crop stems to control the non-native fungus that had affected his crops. Pesticides can be applied in various forms, such as sprays, dust, and granules.
The type of pesticide used depends on the target pest and the crop being protected. While chemical control methods such as pesticide application can be effective, they also have potential drawbacks, such as the development of pesticide resistance in the targeted pest populations and the risk of harming non-target organisms and the environment.
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how do you inquire data in a certain field of study?write your top three methods and
describe each
Answers
Answer:
a review of published literature (secondary data collection)carry out interviewsperform a surveyExplanation:
1. Review published literature: This method involves reading through already published works containing meaning data about the particular field of study. For example, you read through textbooks, past newspapers, magazines, academic papers, etc.
2. Carry out interviews: This simply requires face to face or a virtual one on one interactive session with your respondents in other to record the data they provide.
3. Perform a survey: A survey here implies that issuing out a paper-based questionnaire or an online questionnaire (form) to be filled by the subjects of the research.
The top 3 methods that i use to inquire data in a certain field of study are;
1) Interviews
2) Questionnaires and Surveys
3) Observations
Methods of Collection of DataThere are different ways of collecting data for an experiment or research or study but my 3 top methods are as follows;
Interviews; Interviews are basically a structured conversation whereby the person seeking for data asks questions from other people who provide the required answers.Questionnaires and surveys; A questionnaire is simply any written set of questions that are targeted at seeking responses from participants, while a survey includes both the questionnaires and the process of collecting, aggregating, and analyzing the responses from those questions.Observation; This is primarily an effective research technique whereby i observe the ongoing behavior/response of certain individuals or participants to make a conclusion or inference.Read more about Collection of Data at; https://brainly.com/question/8100970
Describe chemical digestion of proteins in the stomach
Answers
In the stomach, proteins are broken down into smaller molecules by hydrochloric acid and an enzyme called pepsin. The hydrochloric acid creates an acidic environment in the stomach, which helps to denature the proteins and make them more accessible to the pepsin enzyme. Pepsin then breaks down the proteins into smaller peptides and amino acids, which can be absorbed into the bloodstream through the small intestine.
What is the flexibility of spider silk determined by the structure of its molecules
Answers
The flexibility of spider silk determined by the structure of its molecules is quite strong.
The components that make up spider silk are what give it its flexibility. Proteins called fibroins, which are made up of amino acids organised in a certain sequence, make up spider silk. The arrangement of amino acids in fibroin proteins results in a helical structure, which is held together by hydrogen bonds between the amino acids.
The fibroin protein chain's exact arrangement of amino acids and hydrogen bonds produces a special blend of strength and flexibility. The silk is flexible enough to stretch and absorb energy without breaking and robust enough to resist significant stress. Spider silk is a fantastic material for many uses, including clothes, medical equipment, and even bulletproof vests, thanks to its unique mix of qualities.
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Relative Humidity (%)
Heat Index
Temperature (°F)
80 82 84 86 88 90 92 94 96 98 100 102 104 106 118 110
40 80 81 83 85 88 91 94 97 101 105 109 114 119 124 130 136
45 80 82 84 87 89 93 96 100 104 109 114 119 124 130 137
50 81 83 85
88 91 95 99 103 108 113 118 124 131 137
55 81 84 86 89 93
97 101 106 112 117 124 130 137
60182 B
60 82 84 88 91
95 100 105 110 116 123 129 137
65 82 85 89
93
98 103 108 114 121 128 136
70 83 86 90 95 100 105 112 119 126 134
70 83 86 on
75 84 88 92
97 103 109 116 124 132
80 84 89 94 100 106 113 121 129
85 85 90 96 102 110 117 126 135
90 86 91 98 105 113 122 131
95 | 86 93 100 108 117 127
100 87 95 103 112 121 132
Likelihood of Heat Disorders with Prolonged Exposure or Strenuous Activity
Caution Extreme Caution
Danger
External Danger
1. Look at the figure above. What's the relative humidity percentage when the "real feel" is 108°F and the temperature is 96°F?
O A. 40
O B. 65
O C. 95
D. 50
Answers
Answer:
D 50% is the correct answer
TTT 18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants 19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens 20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera 21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm 22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class 23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium 24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population 26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista 25. Ecology is a biological science that deals with all of the following except C. organism D. none
Answers
All of the options are chemical approaches to control micro-organism excepts: B Disinfectants
19. The scientific name for modern man is: B. Homo sapiens
20. kingdoms are prokaryotic organisms placed D. Monera
21. Plants which have true roots, leaves, stem & seeds inside the fruit are: B. Angiosperm
22. taxonomic groups contains closely related organisms A. Genus
23. Malaria causing single-celled parasitic protozoan is called: D. Plasmodium
24. kingdoms consists of eukaryotic organisms such as yeast, molds, and mushrooms A. Kingdom fungi
25. Ecology is a biological science that deals with except: D. none
26. The organism that are consumer is D. Scavengers
What is the chemical approaches to control micro-organismDisinfectants are special chemicals that are used to kill germs or prevent them from growing on surfaces or objects. They are not usually used to control microorganisms within living things, unlike antibiotics, antiseptics, and autoclaving, which are all chemicals used to control microorganisms.
Homo sapiens is the fancy name used by scientists to refer to regular, everyday humans This is the species that humans are a part of.
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18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants
19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens
20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera
21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm
22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class
23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium
24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population
25. Ecology is a biological science that deals with all of the following except Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista C. organism D. none
26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers
a population of finch birds with medium sized beaks colonizes an island with plants producing medium and large sized seeds. After a disease wipes out all the plants with medium sized seeds , what is most likely to happen
Answers
Answer:
Hi, when an organism start to begin new habit for finding food, that organism get specialized/new organ later according to their new food finding habit. So beak of Finch of medium sized beaks grow larger day by day according to their food of larger sized seeds, which we can say evolution for larger beak of Finch according to that adaptive behaviour of eating, that's all.
Thanks for reading.
Which state of matter will take the volume and shape of its container? Group of answer choices gas liquid solid
Answers
Answer:
liquid will conform to any container it is put in.
Do you have quantitative data (numerical results or calculations)? Do you have qualitative data (written observations and descriptions)? How can you organize this date for your report?
Answers
We have quantitative data when numerical results are represented by intervals, while we have qualitative data as observations and descriptions when they are presented by discrete numbers. We can organize dates for a report by using a record lab notebook.
What are quantitative data?Quantitative data can be defined as any type of numerical info in an experiment that can be recorded in the mode of intervals which are continuous and include decimals, while qualitative data do not include decimals.
Therefore, with this data, we can see that quantitative data contain decimals and they are represented by intervals.
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Which of the following statements correctly describes some aspect of protein excretion in prokaryotic cells? a Prokaryotes are unlikely to be able to excrete proteins because they lack an endomembrane system. b The mechanism of protein excretion in prokaryotes is probably the same as that in eukaryotes. c Proteins that are excreted by prokaryotes are synthesized on ribosomes that are bound to the cytoplasmic surface of the plasma membrane. d In prokaryotes, the ribosomes that are used for the synthesis of secreted proteins are located outside of the cell. e Prokaryotes contain large pores in their plasma membrane that permit the movement of proteins out of the cell.
Answers
Answer:
The correct answer is option c "Proteins that are excreted by prokaryotes are synthesized on ribosomes that are bound to the cytoplasmic surface of the plasma membrane".
Explanation:
Many prokaryotes secrete proteins, particularly, extracellular enzymes that have a function outside the cells and toxins that are not needed by the cell. As any other protein, proteins that are excreted by prokaryotes are synthesized on ribosomes that are bound to the cytoplasmic surface of the plasma membrane. However, excreted proteins go to the general secretion (Sec) pathway, where they are tagged and further processed.
Why is the asteroid belt between Mars and Jupiter?
Answers
Answer:
Main Asteroid Belt
Explanation:
It is known as The main astroid Belt
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How would explain a trend that fluctuates between going up and down?
Answers
Answer:
A trend that fluctuates between going up and down is often referred to as a cyclical trend. This type of trend is characterized by regular, repeating patterns of upward and downward movement over a period of time. Cyclical trends can be influenced by a variety of factors, such as changes in economic conditions, weather patterns, or consumer behavior.
how are polymers are related to monomers
Answers
Polymers are just chains of monomers
Answer:
Polymers are made of monomers.
Explanation:
Monomers are the small, basic subunits that make up the polymers.
Polymers are made of many repeating subunits called monomers.
An example is, starch is made up of many repeating glucose molecules. So here, starch is a polymer and glucose is the monomer.
Another example is, protein is made up of a sequence of amino acids. Here, protein is a polymer and an amino acid is a monomer.
Due to following properties silk is
often used in the medical field for
wounds and burns
Answers
Answer:
Recent research examined clinical applications using silk because of its ability to promote adhesion and proliferation of various cells including keratinocytes and fibroblasts[12,13]. In this study, we found silk dressing materials effective as burn dressing.
Explanation:
Which step is part of the engineering design process but is not part of a
scientific investigation?
Answers
The step which is a part of the engineering design process but is not part of a scientific investigation is to imagine
What is scientific investigation?Scientific investigation simply refers to those steps and procedures used to in unraveling the science behind a particular naturally observed phenomena.
So therefore, the step which is a part of the engineering design process but is not part of a scientific investigation is to imagine
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What will be the importance of labeling your slides
Answers
Answer:
Slide labels will help you because you can effectively identify and keep track of your samples throughout the process. It also helps to assure accurate sample identification.
Explanation:
what is the difference of anaphase in mitosis and anaphase 2 in meiosis?
Answers
Fermentation converts organic material into a fuel whose primary component is
A. methane
B. sugar
C. yeast
D. alcohol
Answers
Answer:
D. alcohol
Explanation:
Fermentation by microorganisms converts organic materials into alcohol