Answer:
True
Explanation:
hope it helps
Humans are highly dependent on fossil fuels. However, like other
natural resources, fossil fuels are unevenly distributed around the world. For example,
nearly 67 percent of the world's reserves of crude oil are currently in the Middle East. Also,
Russia has more natural gas than any other country in the world. Use a cause-and-effect
relationship to predict how human use of fossil fuels will affect their distribution over time.
Answer: I predict that human use of fossil fuels will affect their distribution over time because.
Explanation: Because if we keep on using fossil fuels over and over we eventually loose all of it because nearly 67% of the worlds reserves of crude oil are currently in the Middle East. So if we keep on using it well then there won't be anymore fossil fuels left for us, And if we keep using it, it will also slowly kill us off and also kill everything else around us.
1.3.4 How can teenage pregnancies be avoided? List FIVE ways.
Answer:
Don't have sex. 5 points isnt a lot so I am not spending alot of time on it.
Use your codon chart to determine the amino acid sequence. Remember to read through the strand and ONLY start on AUG and STOP when you reach a stop codon (UGA, UAA, or UAG). Follow the example in the box. Abbreviate the proteins using the first three letters of the amino acid name.
Methionine (AUG)Amino acids can be abbreviated using the first three letters of their name.
Methionine can be abbreviated as Met.
The given RNA sequence is AUGUAACGAUGCGUCGUGGCAUCAUGCUGCGUCAGCGGCGAGUCUGACCCGUCUCUAACAGGACGGCCGGGCGUUGUCGUUGA.
We can use the codon chart to determine the amino acid sequence.
The codon chart is used to determine which amino acid is coded by a particular codon in a strand of DNA/RNA.A codon is a sequence of three nucleotides in DNA or RNA that encodes for a specific amino acid.
Each codon codes for a different amino acid.
For example, the codon AUG codes for the amino acid methionine.
To determine the amino acid sequence, we start reading the RNA strand from the start codon AUG and continue reading until we reach a stop codon (UGA, UAA, or UAG).
Then we write down the amino acid sequence for the codons we read, using the codon chart.
Here, the sequence starts with AUG, which codes for methionine.
After that, the next codon is UAA which is a stop codon, so we can stop.
The amino acid sequence is therefore Methionine. So, the answer would be Methionine (Met).
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A trap crop is a....
A. crop planted to attract insect pests from another crop to hinder their survival
B. state in which opposing forces or influences are balanced
C. strategy that uses multiple practices to control pests
D. way to classify how suitable soil is for most kinds of crops
Answer:
A
Explanation:
Crop planted to attract insect pests from another crop to hinder their survival
What is the Calvin cycle?
A series of light dependent reactions
A series of light independent reactions.
Light dependent and light independent reactions
Another name for the production of chloroplasts.
The Calvin cycle is a series of light-independent reactions that occur in the chloroplasts of plants.
These reactions are responsible for converting carbon dioxide into glucose, which is the main source of energy for the plant. The Calvin cycle is also known as the Calvin-Benson cycle or the C3 cycle. The cycle consists of three main stages: carbon fixation, reduction, and regeneration. During carbon fixation, an enzyme called Rubisco combines carbon dioxide with a five-carbon molecule called RuBP. This results in the formation of two three-carbon molecules known as PGA. In the reduction stage, ATP and NADPH, which are produced during the light-dependent reactions, are used to convert PGA into G3P. Some of the G3P molecules are used to regenerate RuBP, while others are used to produce glucose and other organic compounds.For more questions on Calvin's cycle
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Which timeline shows the correct order of contributions made to the discovery of DNAA scientist has a tomato plant with red-skinned tomatoes. It has one allele for red skin (R) and one for yellow skin (r).
Which describes the phenotype of the tomato plant?
red skin
yellow skin
homozygous
heterozygous
The correct order of contributions to the discovery of DNA is Friedrich Miescher, Phoebus Levene, Frederick Griffith, Avery, MacLeod, and McCarty, Erwin Chargaff, Rosalind Franklin and Maurice Wilkins, and James Watson and Francis Crick.
Regarding the tomato plant phenotype, if the plant has one allele for red skin (R) and one allele for yellow skin (r), the correct description for its phenotype would be heterozygous.
The correct answer would be heterozygous.
The correct order of contributions to the discovery of DNA can be represented by the following timeline:
1. Friedrich Miescher (1869): Miescher discovered a substance in the nucleus of cells, which he called "nuclein." This substance was later identified as DNA.
2. Phoebus Levene (1919-1929): Levene made significant contributions to understanding the chemical composition of DNA. He identified the components of DNA, including nucleotides and the sugar-phosphate backbone.
3. Frederick Griffith (1928): Griffith conducted an experiment with Streptococcus pneumoniae bacteria, demonstrating the concept of transformation. He observed that harmless bacteria could acquire the ability to cause disease by incorporating genetic material from other bacteria.
4. Avery, MacLeod, and McCarty (1944): Building on Griffith's work, this group of scientists identified DNA as the substance responsible for the transformation observed in bacteria. Their experiments provided strong evidence that DNA carries genetic information.
5. Erwin Chargaff (1949): Chargaff discovered that the amount of adenine (A) in DNA is equal to the amount of thymine (T), and the amount of cytosine (C) is equal to the amount of guanine (G). This finding became known as Chargaff's rules.
6. Rosalind Franklin and Maurice Wilkins (1952): Franklin and Wilkins used X-ray crystallography to obtain images of DNA's structure, including the famous "Photo 51" taken by Franklin. These images provided critical insights into DNA's helical structure.
7. James Watson and Francis Crick (1953): Watson and Crick, building on the work of others, proposed the double helix structure of DNA. They combined data from various sources to create a model that explained how DNA stores and transmits genetic information.
Regarding the tomato plant phenotype, if the plant has one allele for red skin (R) and one allele for yellow skin (r), the correct description for its phenotype would be heterozygous. The phenotype refers to the observable physical traits of an organism, and in this case, the presence of both red and yellow skin alleles results in a mixed phenotype with red skin being dominant over yellow skin. Therefore, the plant will exhibit red skin as its phenotype.
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Mitosis and Binary Fission are very similar except when comparing the size of the new daughter cells relative to the original parent cell.
True or false?
Answer:
Explanation:
False sorry if it is wrong
Mitosis and Binary Fission are very similar except when comparing the size of the new daughter cells relative to the original parent cell is a false statement.
What is Mitosis?A cell prepares for cell division by replicating its chromosomes, segregating them, and creating two identical nuclei during the mitotic phase. The cell's contents are often evenly divided into two daughter cells with identical genomes after mitosis.
A cell copies each chromosome during mitosis and distributes one copy to each of its two daughter cells. With regard to our example of an instruction manual, it is crucial that each person receive a duplicate of each page.
Mitosis follows the same pattern. Each chromosome must be delivered to each of our cells exactly once, without any errors, or the cells may have problems carrying out the genetic instructions.
Therefore, Mitosis and Binary Fission are very similar except when comparing the size of the new daughter cells relative to the original parent cell is a false statement.
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what is the main function of decomposers in a food web?
what is the cause of iron deficiency anemia
Answer:
here u go mate
Explanation:
Iron deficiency anemia is typically caused by a lack of iron in the body, which can be due to a variety of factors such as poor diet, blood loss, or difficulty absorbing iron.
Bile is stored in the _____ and helps to digest ___ via_____\A. Liver/ proteins/ emulsification B. Liver/ Fats/ dehydration synthesis C. Gallbladder/ fats/ emulsification D. Gallbladder/ proteins/ protease
Answer: C
Explanation: Bile is a fluid that is made and released by the liver and stored in the gallbladder. Bile helps with digestion. It breaks down fats into fatty acids, which can be taken into the body by the digestive tract. Bile contains: Mostly cholesterol.
Which isn’t an example of a matrix in which organisms may become fossilized
Answer:
where's the options for this question?
:/
there is no option?? ?
Ostriches can evade predators by running away on their powerful legs.
Please select the best answer from the choices provided
T
F
Answer:
True
Explanation:
When threatened, ostriches run away, but they can cause serious injury and death with kicks from their powerful legs. Contrary to popular belief, ostriches do not bury their heads in sand to avoid danger. This defensive behavior of lying low, so that they may appear from a distance to have their head buried.
ITS A TIME LIMIT PLZ HURRY
Answer:
Answer D. Scratching it with other materials
Explanation:
Let's start eliminating some answers
Answer A; If you hit an object with a hammer, you will just figure out if that object can be broken with a certain amount of force. In most cases, this will not be helpful.
Answer B; When putting a material in an acid, many things could happen. This things that happen are called chemical reactions. Not every material will have a chemical reaction so this step could be useless.
Answer C; Chipping a piece off of a material will not grant you much information. Yes if may be easier to experiment will a smaller piece but the action by it's self is not useful.
Answer D; Scratching a material will another material can be very helpful. If you have two materials, labeled A and B, you can find out the Mohs hardness scale. If A is damaged by B, the hardness of A is less than B and vise versa. This can be very helpful when identifying materials.
So answer D makes the most sense
The extensive size of the fires that burned Yellowstone National Park in 1988 caught both land managers and ecologists by surprise. Many forests suffered intense infernos that removed virtually all vegetation. Some speculated that the park would never recover. Based on what you learned and disturbance and succession, is it likely that the park was irrevocably altered
Answer:
It is not possible that the park has been irrevocably altered.
Explanation:
The fires are part of the ecology of Yellowstone National Park, and there is a very low risk that this park will be irreversibly modified after a fire. It is scientifically proven that Yellowstone has recovered from fires in a period of thirty years and that the risk of this recovery not happening is very low. In addition, the natural fires that occur in Yellowstone are, in a way, important for the maintenance of the park's ecosystem, since they are able to break the seed dormancy that are in the soil, in addition to promoting the opening of the serine pine cones.
Seed dormancy is the difficulty of germinating that some seeds present, even in an environment with favorable conditions for germination.
Scientists have found that all living organisms contain an enzyme called Cytochrome-C. Comparing the amino acid sequence of this protein shows the genetic similarities between the two organism. This is because Question 6 options: all proteins are found embedded within the organisms DNA amino acids code for the order of nucleotide in DNA a strand of DNA is made up of repeating amino acids DNA codes for the sequence of amino acids in a protein
The genetic similarity between the two organism is because DNA codes for the sequence of amino acids in a protein (option D).
How does DNA code for amino acids?DNA, meaning deoxyribonucleic acid, is a nucleic acid found in all living things made up of building blocks called nucleotides which are shaped into a double helix.
The DNA molecule is associated with the transmission of genetic information in a process called genetic expression i.e. transcription and translation.
DNA is first transcribed into mRNA, which is then translated into amino acid sequence, which are building blocks for protein.
Hence, the genetic similarity found when comparing the amino acid sequence of the enzyme is because DNA codes for amino acid sequence.
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Why must you include the water soluble vitamins in your daily diet? They cannot be stored by the body because they are water soluble and are eliminated daily. They help carry oxygen in the blood They help digest fats. They help build body tissue.
Answer:
They cannot be stored by the body because they are water soluble and are eliminated daily.
Explanation:
PLEASE IT IS URGENT I NEED THE ANSWER NOW!
Which best describes respiration?
A. a cell process that releases energy from food
B. a cell process that converts carbon dioxide into energy
D. a plant process where chlorophyll produces sugar energy
Answer: A
Explanation:
B and D both describe the process of photosynthesis. A is the only one that describes respiration which is the breakdown of glucose into energy.
What is the doctrine of Specific Nerve Energies?
Answer:
The Doctrine of Specific Nerve Energies has been and continues to be enormously influential in the physiology, psychology, and philosophy of perception. In simple terms, the Doctrine states that we directly perceive in the first instance the activity of our nerves, rather than properties in the external world.
How are ethanol and glucose similar in structure and function?
Choose all correct answers.
A. They are both carbon-based molecules.
B. They are both hydrocarbons.
I c. They both store energy in chemical bonds.
D. They are both used as fuel.
Check
An organic compound that has an OH group on its side chain is called ethanol. It is flammable and a volatile liquid. Whereas, Glucose is a simple sugar molecule that has carbon and aldehyde groups.
The correct answer is:
Option A. They are both carbon-based molecules.Option C. They both store energy in chemical bonds.Option D. They are both used as fuel.This can be explained as:
Ethanol and glucose both have carbon atoms in their structures. Ethanol is written as C₂H₅OH and Glucose as C₆H₁₂O₆.The energy in both the molecules is stored in their bonds.Glucose is used as fuel in living organisms while ethanol is a bio-fuel derived from microorganisms.Therefore, ethanol and glucose are similar in structures and some functions.
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write a letter to your uncle who is in abroad telling him u want to join vacation classes with ur friends but ur father is facing some financial problems so he can't afford so u need the help of your uncle who is in abroad
Explanation:
Dear Uncle [Uncle's Name],
I hope this letter finds you in good health and high spirits. I have been meaning to share some news with you, and I believe your guidance and support can make a significant difference in my life.
As you know, the summer vacation is fast approaching, and my friends and I have been planning to join vacation classes together. It is an opportunity for us to learn and engage in activities that would enhance our skills and broaden our horizons. We are all excited about the prospect of spending quality time together while acquiring new knowledge.
However, I regret to inform you that my father is currently facing some financial difficulties. Due to unexpected circumstances, he is unable to afford the expenses associated with the vacation classes. It has been a challenging time for our family, and my father's priority is to ensure our basic needs are met.
In light of these circumstances, I am writing to you, dear uncle, with the hope that you may consider extending your support. Your assistance would mean the world to me and enable me to participate in these vacation classes alongside my friends. Your generosity has always been a pillar of strength for our family, and I am sincerely grateful for everything you have done for us.
Attending these classes would not only be a source of knowledge and skill development but also a chance for me to bond with my friends and create lasting memories. It would enhance my educational journey and contribute to my personal growth. I genuinely believe that this opportunity would be a valuable investment in my future.
I understand that everyone has their own financial responsibilities and commitments. Therefore, I completely respect any decision you make, and I am grateful for your consideration. If it is not feasible for you to provide financial assistance at this time, I completely understand, and I will continue to explore other alternatives.
Thank you, dear uncle, for taking the time to read my letter. I eagerly await your response and value your guidance and support. Regardless of the outcome, please know that your love and presence in our lives mean more to me than anything material.
Sending my warmest regards and affection to you and the family. Take care, and I hope to hear from you soon.
With heartfelt gratitude,
[Your Name]
What are 2 similarities chromosomes you get from parents
The two similarities between chromosomes that you get from your parents are Genetic Material and Number of Chromosomes.
What more should you know about genetic materials and number of chromosomes you get from parents?In terms of Number of chromosomes: Every Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. Each parent contributes 23 chromosomes to their child, for a total of 46.
in tems of Genetic material: The chromosomes that you get from your parents contain the same genetic material. This is why you look like your parents and why you have inherited some of their traits.
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Which of the following helps the axon segment return to its resting potential after the hyperpolarization phase of an action potential? Na+ voltage gated channels Na/K pump K+ voltage gated channels
After an action potential's hyperpolarization phase, the Na/K pump aids in the axon segment's recovery to its resting potential.
The potassium channel close after hyperpolarization, allowing the neuron to revert to its resting state of -70 mV thanks to its inherent permeability to sodium and potassium. Depolarization, a sudden rise in potential, occurs all-or-nothing in neurons and is brought on by the activation of sodium channels in the cell membrane. Repolarization, the ensuing restoration to the resting potential, is facilitated by the activation of potassium channels. Potassium rushes out from the cell along its electrical potential as a series of voltage-gated ion channel open. The membrane potential is quickly reduced by these occurrences, returning it to its regular resting condition.
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HELP ME PLZZZZZZZZZZZZ Clark decides to measure the volume of a rock he found outside. He fills a graduated cylinder with water to 30mL. Places the rock into the water and the water level rises to 37mL. What is the volume of the rock?
Answer:
The correct answer is - 7 cc or ml.
Explanation:
Given:
The volume of water in a graduated cylinder = 30 mL
The volume of rock = ?
Final volume = 37 ml
Formula:
If an object is placed in water, then the amount of water that is displaced or increased by submerging the object is equal to the volume of the object.
Vi + Vo = Vf
Vi = initial volume
Vo = volume of object
Vf = final volume
Solution:
Placing the values in formula -
30 + Vo = 37
Vo = 37 - 30
Vo = 7 ml or cc.
what is The superficial population of cells from the blastocyst that
contribute to the formation of the placenta is known as this.
Answer:
trophoblast
Explanation:
Is evolution from simple origins impossible, considering how complex living things are?
Answer:
No, evolution from simple origins is not impossible. Evolution by natural selection, which is a well-established scientific theory, proposes that species can change over time through small genetic variations that confer a survival advantage. Over many generations, these variations can accumulate, leading to the development of new species with increasingly complex characteristics. This process can explain the diversity and complexity of life on Earth today.
There are a number of substances that the cell can use for energy in addition to carbohydrates. Proteins can be hydrolyzed to (1) ____________________ and then have the nitrogen group removed in a process called ____________________. Depending on the type of molecule in the (1) they will feed into either the end of glycolysis as ____________________ or feed into the ____________________. Lipids and fats are broken down into (2) ____________________. The b-oxidation of the molecules in (2) ultimately produces ____________________, which then enters at the beginning of ____________________ whose ultimate metabolic waste products are ______________________________ and ______________________________.
From the protein hydrolysis cycle, the missing words are;
Amino AcidDeaminationNon-essential Amino AcidsFree fatty acids and monoglyceridesacetyl-CoA moleculesFADH2, NADH and water.What is protein hydrolysis?
Protein hydrolysis is a complicated process that comprises a series of enzymatic processes, each with a unique kinetic response for numerous substrates.
Two enzymes that aid the digestion of protein in the body are;
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The Barton Springs salamander is an endangered species found only in a single spring in the city of Austin, Texas. There is growing concern that a chemical spill on a nearby freeway could pollute the spring and wipe out the species. To provide a source of salamanders to repopulate the spring in the event of such a catastrophe, a proposal has been made to establish a captive breeding population of the salamander in a local zoo. The zoo was asked to provide a plan for establishing this captive breeding population, with the goal of maintaining as much of the genetic variation of the species as possible in the captive population.
What factors are likely to lead to a loss of genetic variation in the captive population?
a. increased rate of mutation
b. a founder effect
c. reduced genetic drift over time
d. a lack of inbreeding
What strategy would likely be effective in mitigating the loss of genetic variation in the captive population?
a. keeping the sex ratio as close to 50:50 as possible
b. stopping gene flow to and from the captive population
c. regularly mating individuals that are related
d. keeping the captive population as small as possible
Answer:
1) Option b is correct. a founder effect
2) Option a is correct. keeping the sex ratio as close to 50:50 as possible
Explanation:
The exposed situation is an example of an ex-situ conservation program. These programs are planned to keep and restore the population of species that are in danger of extinction. There are many challenges associated with captivity, and one of them is related to maintaining genetic diversity in the population.
1) Introducing a few animals of an endangered species into the zoo might be considered an example of the founder effect. Just a pregnant female is enough for it to occur. And the most significant problem associated with this event is the loss the genetic diversity or variability. When breeding animals in captivity there is a high risk of losing some genes and fixating others, due to inbreeding.
Genetic drift is the random change that occurs in the allelic frequency of a population through generations. The magnitude of this change is inversely related to the size of the original population. These changes produced by genetic drift accumulate in time. Eventually, some alleles get lost, while some others might set. Genetic drift affects a population and reduces its size dramatically due to a disaster or pressure-bottleneck effect- or because of a population split -founder effect-. In founder effect, a new population originates when a few individuals, coming from a bigger-sized population and carrying their genes, settle down in a new area and reproduce. This small population might or might not be genetically representative of the original one. Some rare alleles might be exceeded or might be lost by complete. Consequently, when the small population increases in size, it will have a genetically different composition from the original one. In these situations, genetic variability is reduced, and there exists the possibility of developing a peculiar allelic composition. When the number of individuals that originated the new population is low, the founder effect will be very extreme because the genetic drift effects are inversely proportional to the original number of individuals.
2) When selecting the animals that are being kept in captivity, it is significant to consider a few aspects concerning genetic diversity maintenance. The main objective is to prioritize the original genetic material.
To get founder individuals that get to represent the maximum genetic variability of the population, or among population if possible. The sex proportion of the founder individuals should always be 1:1 or 50:50. This ratio is important to keep genetic variability, especially because many males in captivity might have reproductive problems. To keep diversity, females need to mate with different males, and not just a few of them. Animals should be subadults reaching their sexual maturity.When mating animals, they should be as different as possible to decrease the possibility of a common ancestor among the couple.Were any carbon atoms gained or lost as the result of photosynthesis?
IUPAC name of 2,2,3-trimethyl butane
Answer:
Triptane molecular formula C7H16lysogenic cycle reproduction steps