Answers
Answer:
A
Explanation:
During prophase I, the homologous chromosomes condense and become visible as the x shape we know, pair up to form a tetrad, and exchange genetic material by crossing over.
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Related Questions
( PLEASE HELP ME) The image represents a gene sequence for a section of DNA.
DNA Strand
A C GTT G C AT A GT
How does a gene sequence affect the function of cellular processes? Place the steps in order to explain this relationship.
1
3.
4
Base triplets code for a single amino acid.
Connecting amino acids form proteins.
Amino acids are linked based on the genetic code.
Proteins make up most enzymes which regulate cell processes,
Answers
Answer:
1. Base triplets code for a single amino acid
2. Amino acids are linked based on the genetic code.
3. Connecting amino acids form proteins
4. Proteins make up most enzymes which regulate cell processes,
Explanation:
Genes, which are found in DNA, holds the information needed for every life process in an organism. However, the information in this gene needs to be utilized via a process called GENE EXPRESSION. Gene expression involves two processes namely; transcription and translation.
In transcription, information on DNA is copied into an mRNA strand, which is then used to synthesize an amino acid sequence in the translation process. The amino acids are joined together in a peptide linkage to form PROTEIN, which is responsible for regulating the cellular processes that occur in our cells. In a nutshell, the process is summarized as follows:
- Base triplets code for a single amino acid e.g. AUG codes for methionine
- Amino acids are linked based on the genetic code
- Connecting amino acids form proteins
- Proteins make up most enzymes which regulate cell processes.
Does nutrients cycle within and between ecosystems?
Answers
A student made a table to show information about the physical structures and organs of birds. What statement best describes how to correct an error in the table?
A. The feathers support the body.
B. The feathers help the bird move.
C. The ovaries produce the eggs.
D. The ovaries produce the sperm.
Answers
Answer:
C
Explanation:
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A student made a table to show information about the physical structures and organs of birds. The statement which best describes how to correct an error in the table is the ovaries produce the eggs. The correct option is C.
What are the physical structures and organs of birds?Birds are the warm-blooded animals. Their forelimbs are generally modified into wings. They have a well-developed flight muscles which help during the flight of bird. Their hind limbs are adapted for the purpose of walking, hopping, perching, grasping, wading and swimming.
The ovaries produce the eggs. The ovaries are responsible for producing eggs in birds. Therefore, if there is an error in the table that incorrectly identifies the function of the ovaries, it is important to correct it by stating that the ovaries produce the eggs.
Therefore, the correct option is C.
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Plz help Well mark brainliest if you are correct!!
Answers
Answer:
Rachel Carson (B)
Explanation:
She was an marine biologist.
An ecologist is someone who studies an environment such as the ocean and also studies the things in the environment.
1. It takes 29.5 days for the Moon to orbit Earth. How many days and hours does it take
7 days 15 hours per quarter
0 7 days 10 hours per quarter
0 7 days per quarter
0 7 days and 5 hours per quarter
Answers
Why are populations with high levels of genetic diversity more stable than populations with low levels of genetic diversity?
A.
Populations with high levels of genetic diversity are more likely to have individuals that will undergo
natural selection if conditions
change.
B. Populations with high levels of genetic diversity are
to more likely to have individuals with traits that help them survive if conditions
change.
X
C. Populations with high levels of genetic diversity are less likely to interbreed with other populations.
D.
Populations with high levels of genetic diversity are less likely to have high levels of variation in
alleles.
Answers
Answer:
d
Explanation:
.
PLS HELP WILL GIVE BRAINLIEST need answers by today!
Which of these is NOT large and gaseous?
A) Jupiter
B) Mercury
C) Saturn
D) Uranus
Answers
Answer: B) Mercury
brainliest?
Explanation:
Hypernatremia is a condition where there is too much salt in the blood. How does the body maintain homeostasis if salt levels are too high?
Select one:
The pancreas increases its generation of insulin.
The liver produces more of the hormone glucagon.
The brain receives a signal to decrease blood volume.
The brain sends a signal to decrease urine output.
thanks for the help!
Answers
Answer:
The answer is D.
Explanation:
This makes the most sense as it reduces water loss from the body.
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What upward force is produced by the asthenosphere?
Select one of the following.
A: Buoyant Force
B: Gravitational Force
Answers
Answer:
A: Buoyant Force
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What upward force is produced by the asthenosphere?
[tex] \huge \frak \pink{answer}[/tex]
Buoyant Force
the caw is_the tree
Answers
Answer:
what
Explanation:
Will give 100 points and brainlest to do this assignment
Answers
Answer:
oki
Explanation:
Please please answer! I will give you brainiest!
In 1996, the comet Hale Bopp came close to Jupiter and its orbit around the sun changed from 4200 years to 2380 years. For scientists to understand the orbital changes in the comet Hale Bopp, first they must understand -
A) the composition of Jupiter
B) the magnetic attraction of objects
C) gravitational attraction of objects
D) the similarities of planets and comets
Answers
Answer:
C
Explanation:
Orbit is just the smaller object that's orbiting the bigger object is trying to move in a straight line but the gravitational force from the bigger object is trying to pull the smaller object to itself. I hope this answers your question!
True
After the second melotic division, the cells are haploid as they have only one of each homologous
chromosome pair.
Answers
Answer:
True
Explanation:
After the second melotic division, the cells are haploid as they have only one of each homologous
chromosome pair.
8. Which is true about viruses!
a. They are prokaryotic cells that infect living organisms
b. They are nonliving particles that infect living organisms
C. They are eukaryotic cells that infect living organisms
d. They are fungi that infect living organisms
Answers
Answer:
The Answer is gonna be A. They are prokaryotic cells that infect living organisms
This is the right Answer :3
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The genetic researchers at Bay Medical Company are interested in spiders with the trait for medium silk flexibility. They
think this sik can be used for medical purposes such as for making stitches and for creating artificial tendons. Why do
you think offspring B has the medium silk flexibility trait?
Answers
Answer:
Due to similar shape.
Explanation:
I think offspring B has the medium silk flexibility trait because this offspring B is identical to the spider that is responsible for medium silk flexibility trait. There are some offspring identical to male parent spider due to the presence of dominant allele whereas very littles number of offspring is similar in appearance with the female spider due to recessive allele. If the male spider has medium silk flexibility trait so more number of offspring has medium silk flexibility trait as compared to others.
The people at the Medical research bay company are researching on spiders. the trait for the medium silk flexibility. The silk can be used for medical purposes and creating other tendons.
The B offspring has the medium flexibility trait it's identical to the spider that is responsible for the medium silk flexibility trait. There are some offspring identical to male parent spider due to the presence of dominant allele spider due to recessive allele.Learn more about the medical Company are interested in spiders.
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Explain the following statement: "Selection occurs within
generations; evolution occurs between generations."
Answers
Answer: Selection occurs within generations; evolution occurs between generations. All four of Darwin's postulates are true for the medium ground finch population on Daphne Major. Darwin's theory therefore predicts a change in the composition of the population from one generation to the next. In biology, evolution is the change in the inherited traits of a population from generation to generation. ... Natural selection is a process that causes heritable traits that are helpful for survival and reproduction to become more common, and harmful traits to become more rare.
Explanation:
Natural selection is the process by which heritable qualities that help with survival and reproduction become more common while harmful traits become rare
Evolution is defined as a change in the heritable traits of biological populations. These traits are the manifestations of genes that are passed down from one generation to the next during reproduction.
Selection occurs inside generations, while evolution occurs between generations. All four of Darwin's postulates are met by the medium ground finch population on Daphne Major. Darwin's theory anticipates a shift in population composition from generation to generation as a result. In biology, evolution is the change in the inherited traits of a population from generation to generation. Natural selection is the process by which heritable qualities that help with survival and reproduction become more common while harmful traits become rare.
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Which label belongs in the area marked Y?
A. Neither allele is dominant.
B. An intermediate phenotype is expressed in offspring
C. One allele is dominant over the other.
D. Both dominant alleles are fully expressed in offspring Y
Answers
Answer:
the answer is A
Explanation:
Tay-Sachs disease is a genetic disorder that is usually fatal in young children. If both parents are carriers of the disease, the probability that their offspring will develop the disease is approximately 0.25. Suppose that a husband and wife are both carriers and that they have four children. (The outcomes of the four pregnancies are independent). What is the probability that two children develop Tay-Sachs disease
Answers
Answer:
Tay-Sachs disease (TSD) is a genetic disorder that normally kills children when they are young. If both parents are carriers of the disease, their offspring have a 0.25 chance of contracting it.
Explanation:
For a thunderstorm to occur there must be instability lift and _______? A. Moisture. B. Cold temperatures. C. A time between noon and 3:00
Answers
Answer:
A. Moisture.
Explanation:
There are three ingredients that must be present for a thunderstorm to occur. They are: MOISTURE, INSTABILITY, and LIFTING.
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What would happen to a vascular plant if there were not structures to move the materials throughout the plant?
Answers
Traits, or characteristics, that organisms develop and are passed down to become new species are called _______ traits.
Answers
Question 1 of 25 Which is part of the alimentary canal? A. Kidney B. Liver C. Heart D. Small intestine
Answers
Answer: it’s B
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Forests provide which of the following?
1. Fuel
II. Oxygen
III. Habitat
Answers
Answer:
Well everywhere on earth contains oxygen. A forest is a habitat. So oxygen.
Preparing Informative Presentations
There are a variety of reasons a person presents a speech. Perhaps the most common reason is to present timely or useful information to an audience.
Such speeches are called expository speeches, and they rely on the effective transfer of information to listeners. An expository speech could be a definition speech, which explains an object, person, or event. It could also be a demonstration speech, which explains to the audience how to complete a process or task. A successful informative presentation depends on a few key steps that will help you prepare, inform, engage, and educate.
Based on the tips in the article, come up with a topic of your own that would make an interesting demonstration speech?
Answers
Answer:
How fast a 1960 Dodge Challenger can go versus how fast a 2020 Dodge Challenger can go.
Describe the flow of a river from beginning to the end
Use the following terms: headwaters, springs, tributaries, confluence, and mouth
Answers
The flow of river begins with the Headwater .
Springs are warmer water bodies compared to rivers,
The rivers connect to another river to form a confluence
Rivers flow into larger water bodies in the form of tributaries.
The mouth of the river flows from a larger source to a smaller body of water.
Describing the flow of a riverThe flow of river begins with the Headwater ( the beginning of the river ), springs are warmer water bodies compared to rivers, When the rivers flow they connect to another river ( confluence ) which flow into larger rivers in the form of tributaries while the mouth of the river flows form a larger source to a smaller body of water.
Hence we can conclude that the flow of river is as described above
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Outline the effect of the following mutations:
TAG-> TAT
TAC-> TCC
Answers
Answer:
TAG-> TAT >> sense mutation
TAC-> TCC >> missense mutation
Explanation:
A sense mutation is a type of mutation that changes a stop codon into a sense codon, thus producing an elongated protein. The TAG codon (UAG in the RNA) is a stop codon, while TAT (UAU) encodes for tyrosine, thereby TAG-> TAT is a sense mutation. On the other hand, a missense mutation is a type of point mutation where a single nucleotide change generates a new codon which encodes a different amino acid. In this case, the TAC codon (UAC) encodes for tyrosine, while TCC (UCC) codon encodes for serine, and therefore TAC-> TCC is a missense mutation (Tyr to Ser mutation).
A woman with B-blood has a baby with AB + blood. What are the two possible blood types (phenotypes) of the father?
Answers
Answer:
The father has A+ or AB + phenotypes
Explanation:
Beetles in a certain population can either be green color or brown colored. A change in the environment has caused the green colored beetles to become more visible and heavily prayed upon by other animals. Because of this change in the environment, what will most likely happen to this beetle population.?
A. The number of brown colored beetles will increase
B. The green colored beetles reproduce at a faster rate
C. The green colored beetles will change their color to brown
D. The population of green colored and brown colored beetles will become extinct
Answers
Answer:
A. i think
Explanation:
if green is being prayed on more, than less green are gonna be produced and brown will become more prominent. if that makes sense.
Some students correctly made a life cycle model for two specific animals. One group has made a model
showing three parts, and another group has made a model showing four parts. Which parts would the group modeling incomplete metamorphosis have in their model?
No links please!!!!
A. egg, larva, adult
B. egg, nymph, adult
C. egg, larva, pupa, adult
D. egg, pupa, nymph, adult
Answers
Answer:
Option C
Explanation:
Ecosystem productivity is principally limited by
a. sunlight and nutrient availability
b. water and nutrient availability
c. the availability of time and nutrients
d. none of the above
Answers
Answer:
a
Explanation:
