Answer:
b
Explanation:
Answer:
It's A
Explanation:
if DNA is a long chain of genes, where does one gene stop and the next gene begin?
Answer:
Simply stated translation starts at a start codon (ATG) and stops at a stop codon (TGA, TAG, or TAA).
Explanation:
In the Gulf of Mexico, there is a large area off the coast of Louisiana that cannot support most marine life. In this area, fresh water from the Mississippi River carries excess phosphorus and nitrogen from lawn care and agriculture into the Gulf of Mexico. Algae in the water use these nutrients to grow rapidly, creating algal blooms in the water. When the algae die, they sink to the bottom of the Gulf, where bacteria use much of the oxygen in the water to decompose the algae.
Dissolved Oxygen Levels in Gulf of Mexico Dead Zone
map showing dissolved oxygen levels in water, with areas ranging from 0 mg/L to about 6mg/L
Image courtesy of NOAA
Marine organisms trying to live in the water may not get enough oxygen to survive. Based on this description, which of the following is true?
A.
Nonliving factors, such as the amount of nutrients available, significantly affect the survival of organisms in their environment.
B.
Living factors, such as the number of producers present, play the largest role in the survival of organisms in an ecosystem.
C.
The supply of any nonliving factor supports or limits growth of all organisms in an ecosystem in the same way.
D.
The number of organisms of each type in an ecosystem depends on living factors but not on nonliving factors.
i dont know the answer??
Answer:
A. Nonliving factors, such as the amount of nutrients available, significantly affect the survival of organisms in their environment.
Explanation:
The death of the algae kills oxygen, both are non-living factors
Can you forecast an earthquake? Explain why or why not.
Answer:No. Neither the USGS nor any other scientists have ever predicted a major earthquake. We do not know how, and we do not expect to know how any time in the foreseeable future. USGS scientists can only calculate the probability that a significant earthquake will occur in a specific area within a certain number of years.
Explanation:
a bumblebee carriers pollen from the male portion of plant to the female portion of the same flower fertilization occurs . which statement is true about this type of reproduction
Answer:
insect pollination
Explanation:
Answer:
it's sexual, and the offspring are genetically different from the parents. As the bumblebee carries pollen from male part to the female portion of the same plant so it is an example of autogamy. ... In this type of reproduction the sperm from the stamen is carried to the carpels of that same plant and fertilization occurs.Aug 4, 2020
Explanation:
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Scientific instruments have shown that shock waves from earthquakes move long distances.
True
or
False
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true or false: male members of an x-y species can be carriers of sex-linked traits. if false, please make it a correct statement.
False. Male members of an X-Y species cannot be carriers of sex-linked traits.
In an X-Y species, males have one X chromosome and one Y chromosome, while females have two X chromosomes. Sex-linked traits are typically carried on the X chromosome. Since males only have one copy of the X chromosome, they do not have another copy to mask the expression of any recessive alleles. Therefore, if a male inherits an X-linked recessive allele, it will be expressed in his phenotype. In contrast, females have two X chromosomes, allowing for the possibility of being carriers of X-linked traits without exhibiting the trait themselves.
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which process of genetic recombination involves genes from both parents?crossing overindependent assortmentfertilizationtetrad formation
The Fertilization is the process of genetic recombination involves genes from both parents.
Fertilization is described because the union of gametes. During fertilization, sperm and egg fuse to shape a diploid zygote to provoke prenatal development. In mammals, fertilization entails a couple of ordered steps, which includes the acrosome reaction, zona pellucida penetration, sperm–egg attachment, and membrane fusionGenetic fertilization is the procedure of fertilization of male gametes with the oospore.
It includes numerous elements that include - synergids, egg, crucial cee, antipodals, etc. Synergids - They are haploid cells that shape finger-like projections.Fertilization may be described because the union of haploid gametes, the spermatozoa and the oocyte, hereto known as egg, to repair the diploid state, shape a zygote via the procedure of egg activation, and start a chain of mitotic divisions that outcomes in mobileular differentiation and embryo development.
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Which term describes a single female arctic The group of polar bears that live along the eastern coast of Russia makes upfox?
The term that describes a single female arctic fox is a vixen.
A vixen is a female fox, including the arctic fox, that is not pregnant or nursing young. It belongs to the Canidae family and is found in the tundra and other Arctic regions of the Northern Hemisphere.The Arctic fox is a small, compact, and sturdy mammal that can survive in some of the world's harshest environments.
The population of Arctic foxes that lives along the eastern coast of Russia is not referred to as a group of polar bears. It is known as a population, a community, or a family.A population is a group of animals of the same species that live in the same area and interact with one another.
A family of arctic foxes is made up of a male and female adult and their offspring. They live together in underground dens that are used for shelter and protection.Arctic foxes are considered a keystone species in the Arctic region because they play a crucial role in the ecosystem. They feed on small animals like lemmings and voles, which helps to regulate their populations. In addition, they are a food source for larger predators like wolves and polar bears, which helps to maintain balance in the food web.
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The cheetah is reputed to be the fastest land mammal. The evolutionary process that gave rise to this speed is most likely to be what kind of selection?
The cheetah is reputed to be the fastest land mammal. The evolutionary process that gave rise to this speed is most likely to be directional selection.
The survival of the fittest is characterised as natural selection. Directional selection is a sort of natural selection in which one of the trait's extreme versions is chosen. In a giraffe population, for example, each individual giraffe has a slightly varying neck length. This variety in the feature provides each giraffe with a unique edge when it comes to obtaining food from tree branches.
When both extreme qualities in a population are chosen, this is known as disruptive selection. Disruptive selection produces the most variance within a population and is thus the most likely to result in speciation. A colony of peppered moths in London is one example of disruptive selection.
Natural selection that stabilises the population mean on a certain non-extreme trait value is known as stabilising selection. Because most traits do not appear to change significantly over time, this is thought to be the most common mode of action for natural selection.
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Which of the following glands does not secrete any hormones?
Parathyroid
Hypothalamus
Thyroid
Posterior pituitary
Answer:
Posterior Pituitary
Explanation:
The posterior pituitary seems to be the only possible answer as it only secretes hormones through the nerve cells unlike the other three glands.
Please help serious inquiries only
Answer:
it matches with a specific antigen
A short-term effect of growth hormone is: fat breakdown. the stimulation of glucose uptake by cells. the production of insulin-like growth factor (IGF). protein synthesis.
Growth hormone, secreted by the anterior pituitary gland, has various short-term effects on the body, including protein synthesis, glucose uptake stimulation, fat breakdown, and the production of insulin-like growth factor (IGF). These effects contribute to growth regulation, glucose level maintenance, and energy supply.
A short-term effect of growth hormone is protein synthesis, which is responsible for building and repairing muscle tissue. Growth hormone stimulates the synthesis of new protein molecules, which are used to build muscle tissue and other structures in the body. The stimulation of glucose uptake by cells is another short-term effect of growth hormones.
Growth hormone helps to regulate glucose levels in the bloodstream by increasing the uptake of glucose by cells. This helps to prevent high blood sugar levels, which can lead to diabetes. The fat breakdown is also a short-term effect of growth hormones. Growth hormone stimulates the breakdown of fat cells, which releases fatty acids into the bloodstream. These fatty acids can then be used by the body for energy production.
Finally, the production of insulin-like growth factor (IGF) is another short-term effect of growth hormone. IGF is produced in response to growth hormone and is responsible for many of its effects on the body. IGF stimulates cell growth and division and is also involved in bone growth and repair.
In summary, the short-term effects of growth hormone include protein synthesis, the stimulation of glucose uptake by cells, fat breakdown, and the production of insulin-like growth factor (IGF). These effects help to regulate growth and development, maintain glucose levels in the bloodstream, and provide the body with energy.
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which type of tissue supports, protects and holds the body together?
The type of tissue that supports, protects, and holds the body together is called connective tissue. This type of tissue is found throughout the body and serves a variety of functions.
Connective tissue provides support and structure for the body, as well as protection for organs and tissues. It also helps to transport nutrients and oxygen to cells, and removes waste products from the body. Connective tissue is composed of cells and extracellular matrix, which contains proteins and fibers such as collagen and elastin. The different types of connective tissue include bone, cartilage, adipose tissue, blood, and lymphatic tissue. Each type of connective tissue has its own unique properties and functions, but they all play a crucial role in maintaining the overall health and well-being of the body. Whether it's supporting bones and joints, protecting vital organs, or helping to transport nutrients and waste products, connective tissue is an essential part of the body's structure and function.
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help me for biology and no links please
Answer:
Natural disasters
Explanation:
It doesn't matter the density or what the climate is. Natural disasters are called natural disasters because they're natural. It just happens.
Please help! I have no idea how to do this
1) cell membrane: protects and separates the cell from other cells in the environment, controls what enters and leaves the cell
2) mitochondria: generate most of the chemical energy needed to power the cell's biochemical reactions. (referred to as powerhouses)
3) Smooth ER: synthesizes lipids, phospholipids as in plasma membranes, and steroids
4) rough ER: produce proteins for the rest of the cell to function
5) nucleus: store the cell's DNA, maintain its integrity, and facilitate its transcription and replication.
6) cytoplasm: provides a platform upon which other organelles can operate within the cell.
7) Vacuole: help sequester waste products
8) lysosomes: They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria.
9) ribosomes: the site of protein synthesis in the cell.
10) Golgi apparatus: Golgi apparatus prepares proteins and lipid (fat) molecules for use in other places inside and outside the cell.
which three components are common to all imino acids
Answer: In every amino group, a carboxylic, amino and hydrogen is common.
Can anyone answer these questions please?
We can ascertain genotypes, recognize phenotypes, and forecast how well a trait will indeed be passed down in the future by studying a pedigree. It is feasible to ascertain using pedigree information.
What kinds of phenotypes are examples?Phenotypes include things like height, wing span, and hair color. Phenotypes have included blood cell of hormone levels in addition to quantitative features that may be seen and analyzed in a lab.
What is the meaning of phenotype?Any clinical manifestation of an individual with a certain genotype; the visible qualities of an individual that are an outcome of gene expression.
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1. Which organisms have the greatest number of bases in Bass? the Hox gene fragment with the Striped
2. Which two organisms shared the least number and percentage of the DNA fragment?
3. Analyzing all of the organisms' DNA bases for the Hox gene fragment, what can you conclude about the gene?
I'm awarding max points for this
Answer: (2)
Explanation:
its #2
3. How can hemolytic and non-hemolytic bacteria be distinguished on blood agar plates? a. Answer 4. Why do alpha-hemolytic bacteria produce a greenish color? 5. Blood agar is used in clinical settings to identify a variety of organisms. List two illnesses for which hemolytic characterization is important. Identify the hemolytic capacity of the pathogen a
Hemolytic and non-hemolytic bacteria can be distinguished on blood agar plates by observing the type of hemolysis that occurs. Hemolysis is the destruction of red blood cells, and it can be seen as a clear zone around bacterial colonies on the blood agar plate.
Alpha-hemolytic bacteria produce a greenish color because they only partially destroy red blood cells, leaving behind a green pigment called biliverdin.
Hemolytic characterization is important in identifying certain illnesses. For example, Streptococcus pyogenes, the pathogen that causes strep throat, is beta-hemolytic. Another example is Staphylococcus aureus, which can cause skin infections and is also beta-hemolytic. Identifying the hemolytic capacity of the pathogen can aid in diagnosis and treatment decisions.
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why does the liver have two versions of hexokinase, one that is product inhibited and one that is not?
The liver has two versions of hexokinase enzyme, one of these is product inhibited and one is inhibited are glucokinase and hexokinase I, II, and III. These enzymes are encoded by different genes.
What are hexokinase?The liver has two versions of hexokinase because they are encoded by different genes. The one that is product inhibited is called hexokinase IV or glucokinase and the one that is not product inhibited is called hexokinase I, II, or III.
Hexokinase is a family of enzymes that catalyze the phosphorylation of glucose to form glucose-6-phosphate. This reaction is the first step in both glycolysis and gluconeogenesis. In mammals, there are four known hexokinase isozymes: hexokinase I, hexokinase II, hexokinase III, and glucokinase (hexokinase IV).
The product inhibition is a type of feedback inhibition in which the product of a metabolic pathway inhibits an enzyme that catalyzes one of the reactions in the pathway. Glucokinase (hexokinase IV) is product-inhibited. Glucokinase functions as a glucose sensor in liver and pancreatic beta-cells, while hexokinase I-III are mainly present in other tissues.
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Whats is a difference between prokaryotic and eukaryotic cells?
Answer:
All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane, or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment. Ribosomes are the non-membrane bound organelles where proteins are made, a process called protein synthesis.
Explanation:
The net income under Alternative 1-Bakery would be $_____________ if CCC was unable to increase sales in units (sales units remain the same as last year). *Round to nearest DOLLAR (No cents). Enter any negative numbers with a - sign.
The net income under Alternative 1-Bakery would be the same as last year if CCC was unable to increase sales in units. Therefore, the net income would remain unchanged.
If CCC (the bakery) is unable to increase sales in units and the sales units remain the same as last year, it implies that there is no growth in revenue. In this scenario, the net income would be expected to remain the same as well.
Net income is calculated by subtracting all expenses from the total revenue. Since there is no increase in sales units, the revenue generated would be the same as the previous year. If all other expenses, such as production costs, operating expenses, and taxes, also remain the same, then the net income would not change.
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The reaction: ADP + CP \( \leftarrow C K \rightarrow \) ATP \( +C \) is an example of covalent modification of an enzyme (to facilitate this reaction) True False
The reaction: ADP + CP (C⇌K) ATP + C is an example of covalent modification of an enzyme (to facilitate this reaction) - True
The reaction:
ADP + CP (C⇌K) ATP + C
is a reaction of coupled system. It occurs spontaneously in the muscle. It is an example of the covalent modification of an enzyme that facilitates this reaction. This process is called creatine kinase, and it involves the transfer of a phosphate group from creatine phosphate (CP) to ADP to generate ATP.
Therefore, the given statement is "True."Covalent modifications of enzymes are used in various biological systems to regulate enzymatic activity. One such example is the phosphorylation of enzymes by protein kinases, which is a crucial step in many cellular processes. This modification involves the addition of a phosphate group to an amino acid residue in the enzyme's active site, changing its conformation and activity.
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Name Cu2(SO4)3 (transition metal).
Answer:
Cooper sulphate
Explanation:
I think soooo
How much is DNA important to identify a group? Give a brief explanation on race ,whiteness and property? Does biological anthropologists and genome scientist need to add the relation between Europeans and Indigenous people while doing their research?
DNA is important in identifying genetic relationships within a group, but it alone is not sufficient to determine complex social constructs like race, whiteness, or property; the inclusion of social, cultural, and historical factors is crucial in understanding these concepts.
Biological anthropologists and genome scientists should consider the relationship between Europeans and Indigenous people in their research to provide a more comprehensive understanding of human genetic diversity and population history.
DNA analysis can provide valuable insights into genetic relationships within a group, such as determining genetic ancestry or identifying related individuals. However, race, whiteness, and property are social constructs that go beyond genetic factors and are shaped by historical, cultural, and socioeconomic factors. These concepts are complex and cannot be solely explained by genetic data. Therefore, it is important for researchers, including biological anthropologists and genome scientists, to recognize the limitations of genetic data and consider the broader social context when studying race, whiteness, and property.
In the context of researching Europeans and Indigenous people, it is crucial for researchers to acknowledge and incorporate the historical and ongoing relationships between these groups. This includes understanding colonization, displacement, and the impact of power dynamics on genetic diversity and health outcomes. By including this relationship in their research, scientists can contribute to a more accurate and nuanced understanding of human genetics and promote social and scientific equity.
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A pencil has a density of .875 g/ml. It has a mass of 3.5 grams. What is the volume?
Answer:
4 ml
Explanation:
m = D/ v where m is mass and D is density and V is volume
.875 = 3.5/V
Multiply each side by V
.875 V = 3.5
Divide each side by .875
V = 3.5/.875
V =4
Which of the following conclusions did Mendel form as a result of his observations?
Mendel made the conclusion from his observations on the garden pea plant that for each and every trait in a population, a pair of alleles are present i.e., dominant and recessive allele. Thus, the correct option is B.
What was Mendel's law?Mendel did his experiments on the garden pea plant (pisum sativum) in which he found that for all the characters two different alleles are present in a population in which one allele is dominant on the other which is recessive. The dominant allele is represented by capital letter and is present in all the generations whereas the recessive allele is represented by small letter and often skips the generation.
Thus, by compiling the results of pea plants, Mendel concluded that the characteristics could be divided into two forms- expressed and latent traits. He called these traits as dominant and recessive traits, respectively.
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is:
Which of the following conclusions did Mendel form as a result of his observations?
A. Incomplete dominance
B. Dominant and recessive alleles are present for each trait
C. masking of effects of gene
D. DNA as the genetic material
1 a
Starting with the mouth, list the structures that air passes through in order for oxygen
to be absorbed by a red blood cell.
red
blood
cell
mouth
tracheal
Answer:
The nostrils, nasal cavity, pharynx, larynx, trachea, bronchi and bronchioles.
Explanation:
The air enters to the mouth and passes through nostrils, nasal cavity, pharynx, larynx, trachea, bronchi and bronchioles and finally reaches alveoli where the exchange of gases such as carbondioxide and oxygen. The hemoglobin takes carbondioxide gas from the cells that are present all over body to the lungs. Their this carbondioxide gas is removed from the hemoglobin and absorb oxygen. This carbondioxide gas is releases from the body on the same pathway but reverse in direction.
Earth is a closed system, meaning the same amount of water has been on Earth, and will
remain on Earth, since Earth's beginnings.
O True
O False