Prophase has a series of checkpoints that determine whether a cell will undergo all stages of mitosis. true or false

Answers

Answer 1

The answer is false. All cells that had undergo in the beginning of mitosis, will be undergoing to the whole stages of mitosis. Mitosis is the part of the cell cycle, wherein it results into equally distributed chromosomes and separated two new nuclei. Typically there are five stages of Mitosis.

Related Questions

Many protist alternate between diploid and haploid stages during their life cycle in a process known as

(A) alternation of generations

(B) conjunction

(C) sexual reproduction

(D) asexual reproduction

Answers

The correct answer is "alternation of generations".

Alternation of generations is a reproductive cycle demonstrated by some plants, fungi, and protists. In protists, it starts with a sporophyte (diploid; 2n) that undergoes meiosis to produce spores which are haploid (n) reproductive cells. These haploid spores undergo mitosis to produce gametophytes (still haploid). These gametophytes will release haploid gametes wherein two will fuse to produce a diploid zygote. This zygote will undergo mitosis to produce a sporophyte. This is the life cycle of some protists which exemplify alternation of generations.

The magnetic field of a wire with a current forms what shape

Answers

It can be a pattern of circular field lines surrounding a wire or it can be like a compass a long straight line current-carrying wire in.

the concentration of proteins synthesized in the breast is more affected by the _____.

Answers

The correct question for this is: "The concentration of proteins synthesized in the breast are more affected by _____ than _____."

The correct answers are the age of the infant and maternal intake and maternal serum proteins.

While maternal intake and serum proteins contribute to the proteins synthesized in the breast tissue, the age of the infant will affect the composition of the breast milk as he or she ages. This is because of the reason that the demand for nutrients of the infant should be fulfilled until the recommended breastfeeding age of 2 years old.

____________ is the process of taking material into the cell by means of infoldings of the cell membrane.
a.diffusion
b.endocytosis
c.exocytosis
d.infiltration

Answers

Correct answer is b. Endocytosis

And exocytosis is the movement of substances out of a cell.
(Think EXiting, the cell)

the answer is B
hope this is helpful

Studies show that the use of fat replacers will reduce the risk of obesity. false

Answers

I think the above statement is false. I believe people use sugar substitutes and fat replacers for the purpose of helping control their weight, to limit the symptoms and risk of conditions such as diabetes, cardiovascular diseases adn cancer and to prevent tooth decay, the subject of whether the two helps in the indicated is debatable. However, current research does not show that they help people reduce calorie intake or prevent obesity.

In your own words, explain how cladograms provide reliable information about the evolution of organisms based on adaptations.

Answers

a cladogram shows relations among organisms. Therefore, any adaptation process will involve closely related organisms, and how they might have progressed to the point of evolutionary necessity

Answer: Cladogram can be defined as the diagram in which the cladistics shows the relationships among organisms.

It is different from an evolutionary tree as it does not shows how the species are related to their ancestors.

It uses a line that turns into different branches in different directions ending at a clade, which shows a group of organisms with last common ancestors.

According to the principle of competitive exclusion, two species cannot continue to occupy the same _____. (concept 54.1)

Answers

Two species can not occupy the same ecological niche.
An ecological niche is a place of the organism in the ecosystem, both physical and trophic ( a place in the food web).
If two organisms are using the same space and resources, they will compete amongst each other, and one of them will be excluded.

Which processes lead to most genetic variation in sexually reproducing organisms? select all that apply. select all that apply. crossing over independent orientation of chromosomes in meiosis random fertilization cytokinesis submitprevious answersrequest answer?

Answers

The processes that lead to most genetic variation in sexually reproducing organisms are as follows;
- cross over
- independent orientation of chromosomes in meiosis
- random fertilization
The behavior of chromosomes during fertilization and meiosis is what brings most of the variation that arises each generation during sexual reproduction.

Answer:

The correct answer is crossing over.

Explanation:

Genetic variation in organisms is the basis of diversity of organisms on this planet.

This genetic variation in organisms happens during the time of gamete formation in meiosis where the exchange of chromosome takes place in pachytene stage of prophase I. This exchange of segment is called recombination which produces a unique combination of the allele.

Thus, crossing over is the correct option.

Which of the following characteristics of living things explains why plants bend and grow towards a light source?
A)they are made of one or more cells
B)the respond to stimulli
C)they reproduce
D)they maintain homeostasis

Answers

Answer:

Explanation:

Based on the graph, which two organisms are most closely related?

A. brown algae and red algae
B. euglena and brown algae
C. brown algae and dinoflagellates
D. euryarchaeotes and diplomonads

Answers

B. because I asked my teacher and she said it's mainly alike

I Believe the answer is C since they both branch of from the same root so im assuming they would be most likly related

Biotic factors of an ecosystem could include which of the following? A. the quantity of water available B. all animal populations C. all types of plants D.the temperature range

Answers

Hey there!

Your answer is option C.

Biotic factors of an ecosystem could include all types of plants, meaning any types of plants can be included.

Hope this helps you.
Have a great day!

Hello,

Here is your answer:

The proper answer to this question is option C "all animal populations". It includes moss, plants, ferns, basically any type of plant.

Your answer is C.

If you need anymore help feel free to ask me!

Hope this helps!

Cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat?

Answers

The correct answer would be filtration count culture

Charles darwin proposed that evolution by natural selection was the basis for the differences that he saw in similar organisms as he traveled and collected specimens in south america and on the galapagos islands.

Answers

If this is a true or false question then the answer is true.

One trait a plant can have is either red leaves (R) or brown leaves (r). Another trait is tall stems (T) or short stems (t). A plant used in a dihybrid cross has the genotype RRTt. What is the phenotype of this plant ?.
A. Brown leaves , tall stems
B. Red leaves , tall stems
C. Red leaves , short stems
D. Brown leaves , short stems

Answers

Answer: Option B. Red leaves, tall stems.

Explanation:

For a given gene there are two or more alternative forms present called as alleles. The alleles of a given gene can either be dominant or recessive.A dominant gene is the one which governs the phenotype in both homozygous and heterozygous condition whereas the recessive gene only gets expressed in homozygous condition.In the given question the allele R (red leaves) and T (tall stem) is dominant and, therefore, RRTt genotype will have red leaves and tall stem.

Answer:

Red leaves, tall stems

Explanation:

on apex

Veterinary scientists argue that for livestock, poisoning from plants often happens because of poor herd management.
a. True
b. False

Answers

I believe the above statement is true. To be efficient and profitable, dairy operations require good, simple management protocols to be followed. Factors contributing to plant poisoning are starvation, accidental eating and browsing habits of animals that results from poor herd management. It is therefore important to ensure proper herd management to prevent losses that may arise from death of cattle from plants poisoning.

Answer: True

Most livestock poisoning by plants often happens due to poor herd management. The poisoning is usually associated with lack of forage due to range conditions such as drought that leads to starvation, cold and other incidences that can influence an animal where it will eat too much of vegetation including those poisonous plants. Additionally, this could result to disruptive harvesting of livestock in rangeland and pastures, making it unprofitable.

Banded iron formations in marine sediments provide evidence of

Answers

Banded iron formations provide evidence of oxygen in the atmosphere. Banded iron formations are sedimentary rocks composed of alternating thin layers formed of iron oxide minerals, such as magnetite and hematite and silica rich minerals such as, chert and iron silicates. Most geologists agree that banded iron formations were precipitated from sea water when oxygen, produced by cyanobacteria, reacted with iron dissolved in sea water.

"a nurse is explaining the nursing process to a nursing assistant. which step of the nursing process should include interpretation of data collected about the client?"

Answers

I think the step is Evaluation. In this step an actual or potential client health problem is based on the analysis and interpretation of the data previously collected during the assessment phase of the nursing process. Gathering data is included in the client's assessment. Nursing interventions are based on the earlier steps of the nursing process. The plan of care includes nursing process. The plan of care involves action to meet the needs of the clients. The nursing actions planning is done upon identifying the clients needs.

The diagnosis step of the nursing process includes the interpretation of data collected about the client. It involves critical thinking to identify health problems and forms the basis for planning care and evaluating outcomes.

The step of the nursing process which should include interpretation of data collected about the client is the diagnosis step. During the diagnosis phase, the nurse analyzes the data gathered during the assessment to identify the client's health problems, issues, and strengths. This step involves critical thinking and clinical judgment to determine whether the data suggest a typical pattern or whether there are inconsistencies that require further investigation. It is a vital part of the nursing process as it directly informs the planning of care and subsequent interventions.

Following the diagnosis, the nursing process continues with planning outcomes, implementing care, and finally, evaluation. The nurse uses the data to establish expected outcomes tailored to the client, and during the evaluation phase, the outcomes are assessed to determine if the interventions were successful, necessitating the maintenance, modification, or cessation of the nursing action.

Identify the vessels corresponding to the letters A-D on the graph above

Answers

i cant provide an answer without the graph.

In the part of the graph labeled A, the vessels involved are the Arterioles.

During systemic circulation, the blood leaves the left ventricle into the Aorta. The Aorta supplies the Arteries from where the blood travels through the Arteries into the Arterioles.

The vessel in label B is the veins. From the capillaries to the veins, the blood flows under lower pressure than the previous vessels and into the vena cava.

From the Vena Cava, the blood moves back into the right ventricle as the pressure ups slightly. When the blood gets to the right ventricle, the pulmonary system has started and the systemic circulation has ended. Then the blood moves into the Lungs (Label C) from the pulmonary arteries. In the lungs the blood is re-oxygenated.

From the lungs, the rich oxygenated blood is pumped through Label D - the Left Ventricles into all other tissues in the body.

In summary, the labels are as follow:

A. Arterioles.

B. Veins

C. Pulmonary Arteries

D. Left Ventricles

Learn more about the human circulatory system in the link below:

https://brainly.com/question/8003743

The fact that a strain of yeast with a certain defective gene can use the human version of the gene to repair itself is evidence that yeast and humans - A) depend on the same food supply B) share a genetic code Eliminate C) both have eukaryotic cells D) have identical genomes

Answers

Let's look at each individual answer:
A) We know this is factually wrong; humans and yeast eat different things. This question is about the micro-level of molecules, so we cannot infer much about the food of the organisms.
B) This is correct. If we did not share a genetic code, the yeast cell would not have been able to "translate" the genetic information in human genes in order to fix the problem. The genetic code is universal in life as we know it; we can transfer microbial DNA in humans and our cell machinery will still be able to utilize it and this is the basis of DNA recombination.
C) Again, this is not necessary. See the example in B (there are prokaryotic bacteria that illustrate the point).
D) This is plain silly; the genome determines to an extreme part our appearance etc. and it is obvious that we only share a small part of our genome with yeast, and certainly not all of it!

Answer: Option B

Explanation:

The yeast and human beings are genetically different but some part of their genome is same.

The yeast and the human beings are similar in the way that they share the same genetic code. This is the reason when required the yeast can use a part of the human genome to compensate for the defective part of the gene.

The yeast and the human genome contains some part as in common so that human genome can be used in case of the emergency.

Hence, the correct answer is option B

Use the numbers to put the steps of translation in order, from first (1) to last (5). The large ribosomal subunit completes the initiation complex. A stop codon is reached. The initiator tRNA binds to the start codon. Amino acids are paired with anticodons, gradually forming a long chain. The small ribosomal subunit joins the mRNA strand, and the start codon is identified.

Answers

Translation is a complex process that translated the genetic information from the language of DNA in the language of RNA. The first step in this process is the binding of the initiator tRNA (that is bound to the aminoacid methionine) to the small ribosomal unit. Then, the small ribosomal unit joins the mRNA; it is the part of the ribosome mainly responsible for translating. After that, the initiator tRNA binds to the start codon. This reaction frees some initiation factors that make large ribosomal units bind to the small one. Hence, the large ribosomal subunit completes the initiation complex afterwards. The role of the large ribosomal unit is mainly to make the peptidic bonds between the aminoacids in the new protein. After that, amino acids are paired with anticodons, gradually forming a long chain; this chain is called a polypeptide and is the skeleton of the protein that is created. Finally, this process stops when one of the three possible stop codons are reached.

3, the largest ribosomal subunit completes the initiation complex

5,A stop codon is reached

2, the initiator TRNA binds to the start codon

4,Amino acids are paired with anticodons gradually forming a long chain

1 , the small ribosomal subunit joints the mRNA strand and the start codon is identified

Which organs or tissues prefer to use ketone bodies such as acetoacetate as a fuel energy source instead of glucose?

Answers

I think the appropriate would be the heart muscles and the renal cortex. Ketone bodies are three water-soluble molecules (acetoacetate, beta-hydroxybutyrate, and their spontaneous break down product, acetone) that are produced by the liver from fatty acids during low food intake (fasting), carbohydrate restrictive diets, starvation, prolonged intense exercise, alcoholism among others. In some tissues acetoacetate and beta-hydroxybutyrate can be reconverted to acetyl-CoA to produce energy. The heart gets much of its energy from ketone bodies, although it also uses a lot of fatty acids. The brain gets its energy from ketone bodies when insufficient glucose is available, e.g. during fasting.

17) Compare the three scenarios below. Which scenario would natural selection most likely work?

A) An island with lizards that all look alike and are all eating the same food.

B) A population of salmon with different skin colors that attract mates.

C) A population of parakeets that have the same sized beak.

20) A new species of penguins is created, which of the following could cause this to happen?

A) An earthquake has happened to divide some arctic land and over time one penguin species became two different species that could no longer mate and reproduce.

B) A new predator moved into the environment lowering the number of the overall population of the penguins.

C) A sudden warming began melting the ice in the region causing the penguins to migrate further north.

21) Variation in a trait is a required condition for natural selection to act on a population for that trait. Assuming a population of organisms started with only one form of a trait, what is one way variation in the trait be introduced into the population?

A) Mutations

B) Fossils

C) There is no way to add variation to the population.

Answers

17. C.
20.C. A sudden warming causing the penguins to move north
21.A. Mutations

Answer 17: B). A population of salmon with different skin colors that attract mates.

The natural selection is a phenomena of differential survival and reproduction, the organisms that have better phenotypic trait are likely to survive and reproduce in the adverse environment. The population of salmon with different skin colors that attract the mates is the most likely scenario of natural selection because in the competition among members of the salmon in order to obtain their mates. The members that have a better phenotypic trait that is a color which is being more attractive for members of the opposite sex, likely to get the mate and reproduce.

20: A) An earthquake has happened to divide some arctic land and over time one penguin species became two different species that could no longer mate and reproduce.

Speciation is a natural phenomena in which a new species is formed from the existing parent species when some of the members of the population of the species get separated by geographic, behavioral and biological barriers. Such individuals because of these barriers do not inbreed resulting in the condition of reproductive isolation.

An earthquake has happened to divide some arctic land and over time one penguin species became two different species that could no longer mate and reproduce is an example of the speciation in the penguin population. The division of the land because of the earthquakes will separate the penguin population in two distinct lands. The separated land populations will evolve new traits and will be developed as new species.

21: A). Mutations

A mutation is a alteration or a change that occurs at either at a single base or the entire genome of the organism. This change brings the variation in the trait or particular characteristic of the organism. These variations can be transmitted to the population by sexual mode or reproduction and inheritance.

A client sustains a vertebral fracture at the t1 level and is admitted to the emergency department. during a detailed neurologic assessment, the nurse expects to identify which clinical manifestation? difficulty breathing inability to move the lower arms normal biceps reflexes in the arms loss of pain sensation in the hands

Answers

The answer is inability to move the lower arms. The thorax region of the spinal column has 12 segments (T1-T12). Located in the middle of spine. Injury in the nerve and spinal tissue correlates the manifestation to the level of spine that is affected. Symptoms that can be found on thoracic spine includes lack of function in the legs and torso (paraplegia), decreased in dexterity of hands, loss of control in the abdominal muscles and muscles in the trunk, bladder and bowel function can also be affected. Causes of spinal injuries are vehicular accidents, trauma, infections and tumors.

In most plant-pollinator interactions, plants species are pollinated by

Answers

Answer:A E

Explanation:

From where do chemotrophs get energy?

Answers

Their carbon source is rather derived from sulfur, carbohydrates, lipids, and proteins.

food is the answer hope it helps.

Chemical digestion reduces large complex molecules to simpler compounds by the process of ________.

Answers

I believe the answer is catabolism. Catabolism is the chemical breakdown of complex molecules into simpler molecules including hydrolysis of macromolecules into monomers. The catabolic reactions releases energy when bonds are broken and mainly involve oxidation reactions. Example of a catabolic reaction is glycolysis

Chemical digestion reduces large complex molecules to simpler compounds by the process of catabolism. Catabolism is the set of metabolic pathways that breaks down molecules into smaller units that are either oxidized to release energy, or used in other anabolic reactions.

How a population changes in size during a specific period of time is called the _____?

Answers

The answer is Growth Rate

Debridement is used to remove ________ from the skin. necrotic tissue wrinkles bacteria a cancerous tumor

Answers

I think the correct answer is necrotic tissue. Debridement is the removal of unhealthy tissue from a wound or skin to promote healing. It can be done using surgical methods, chemical, mechanical or autolytic (own body process)removal of the tissue. The unhealthy tissue may be a damaged, dead or infected tissue that is removed to improve the potential of healing of the remaining healthy tissue.

Plants use photosynthesis to meet their survival needs by enabling them to

Answers

I believe plant use photosynthesis to meet their survival needs by enabling them to convert radiant energy into chemical energy. Photosynthesis is the process by which plants makes their own food using energy from sunlight. Green plants capture and store light energy from the sun through this process using chlorophyll. The process of photosynthesis produces the chemical energy that plant's cells need to carry out their activities.

Hybrid zones provide an opportunity to investigate _____. see concept 24.3 (page 514) view available hint(s) hybrid zones provide an opportunity to investigate _____. see concept 24.3 (page 514) mutations punctuated equilibrium the evolution of reproductive isolation allopatric speciation polyploidy

Answers

Final answer:

Hybrid zones allow us to study the evolution of reproductive isolation and speciation, as these zones facilitate significant genetic mixing and evolution of reproductive barriers.

Explanation:

Hybrid zones provide opportunities to investigate the evolution of reproductive isolation. A hybrid zone is a region where interbreeding happens between two closely related species, resulting in hybrid offspring. In these zones, extensive genetic mixing can occur, offering a rich area for studying the mechanisms that can prevent or reduce gene flow, thereby influencing the formation of new species, a concept known as speciation. Moreover, as hybrids can have features from both parental lines, studying them can provide insights into allele fitness, leading to strengthened reproductive barriers, furthering our understanding of allopatric speciation.

Learn more about Hybrid Zones here:

https://brainly.com/question/33452242

#SPJ6

Final answer:

Hybrid zones enable examination of the evolution of reproductive isolation, along with reinforcement (increased divergence), fusion (merging of species) and stability (continuous production of hybrids). They provide insight into the processes of species evolution and speciation, especially concerning the nature of reproductive isolation and events like polyploidy.

Explanation:

Hybrid zones provide an opportunity to investigate the evolution of reproductive isolation. This is because a hybrid zone is an area where two closely related species continue to interact and reproduce after speciation has occurred. Depending on reproductive barriers and the relative fitness of the hybrids, reinforcement, fusion, or stability may result.

Reinforcement refers to increased divergence between species due to the low fitness of hybrids, effectively encouraging the species to evolve further apart. Fusion, on the other hand, can occur when reproductive barriers weaken, causing two species to merge back into one. Stability occurs when reproductive barriers and the fitness of hybrids remain constant, allowing for the continuous production of hybrid offspring.

Species evolution, the formation of new species (speciation), the nature of reproductive isolation, prezygotic/postzygotic barriers and events like polyploidy are all related aspects that can be studied in the context of hybrid zones.

Learn more about Hybrid Zones here:

https://brainly.com/question/33279562

#SPJ6

Other Questions

The crux of the nature versus nurture debate involves whether ________ question 1 options:a.physical or cognitive traits influence socialization.b.the physical or the social environment has a larger impact on culture.c.biology or socialization shapes human behavior.d.parents or peer groups influence children's behavior. Help Please..On a regional map, one inch represents 68 miles. How many miles apart are two cities that are three inches apart on the map? Jason-1 was launched to: measure ocean waves determine air moisture survey ocean currents all of the above What reason did the american party give in the 1840s to encourage immigration reform. What was the goal of the leaders who met at the Congress of Vienna in 1815? (During Mexican revolution) Select all the expressions that have the following quotient unscramble each of the clue words.tow-setppyorerptdodtiinaniiosdivlabvieraaileyquitnbistautorncnuatieqotiulinticpolma In Spanish write one complete sentence for each of the following verbs. Be sure to conjugate them correctly.1 - Yo (hacer) .....2 - Yo (poner) .....3 - Yo (salir) .....4 - Yo (conocer) .....5 - Yo (tener) .....Pay attention to (a) correct conjugation of the verb, (b) use of supporting vocabulary, and (c) overall quality of the sentence. Is there a single person or event you think exemplifies the changing US society of the 1960s and 1970s? Explain your choice and why you chose it. Or, explain why you think no single person or event exemplifies this period. Then, name an event that you think illustrates the changing perceptions of authority within the United States in the 1960s and 1970s and explain your reasoning. Of all that breathes and crawls across the earth,our mother earth breeds nothing feebler than a man.So long as the gods grant him power, spring in his knees,he thinks he will never suffer affliction down the years.But then, when the happy gods bring on the long hard times,bear them he must, against his will, and steel his heart.Which message from the passage is outside the cultural context of the author?A. Hard times bring about a loss of faith in the gods.B. Power is granted to humans rather than gainedC. People must rely on themselves to overcome adversity.D. There are many gods who gave powers to humans. Where a testator makes a specific bequest to his two children living at the time he executed the will, a child born after the will was executed who is not otherwise provided for by the testator is entitled to: an amount equal to one-third of the bequests to the other children to be paid out of those bequests. an amount equal to one-third of the bequest to the other children to be paid out of the residuary. an intestate share of the testator's estate to be paid from the residuary. no share of the testator's estate? The summation expression in the following series has an absolute value in it. Expand and evaluate the summation notation. What is the sum of the series? Which statement best describes the viewpoint the author expresses about intelligence? A. Firsthand intelligence is more effective than secondhand intelligence. B. It was not necessary to gather firsthand intelligence from East Berlin. C. Firsthand intelligence is intelligence taken from decrypted, or decoded, messages. D. The US had not been able to plant a spy in East Berlin to gain intelligence. The top of the pool table is 0.810 m from the floor. the placement of the tape is such that 0 m is aligned with the edge of the table (as shown). the winner of the competition wants to know if he has broken the world record for the break shot of 32 mph (about 14.3 m/s). if the winner\'s ball landed a distance 4.65 m from the table edge, calculate his break shot speed. When NaOH is added to water, the hydroxide concentration increases. What can you conclude about NaOH? A couple has 12 children, what is the probability that child number 11 is female? which or the following will happen if you miss a monthly credit card payment?A)You will be charged a late fee.B)You loose reward pointsC)Your APR will increase the next monthD)Both A & B Consider the function y = 9 - x2, where x 3. What is the inverse of the function? What is the domain of the inverse? Show all of your work for full credit. The nurse is preparing to reinforce instructions to a pregnant client about nutrition. the nurse plans to include which instruction in this client's teaching plan? Kim solved the equation below by graphing a system of equations. log2(3x-1)= log4(x+8) What is the approximate solution to the equation?