BIOLOGY HIGH SCHOOL

Which of the following checkpoints determines if DNA replication was successful? a. G2
b. G1
c. M

Answers

Answer 1
Answer: Checkpoints that determines if DNA replication was successful is a. G2. There are two checkpoints in the cell cycle. The G1 checkpoint is right before the S phase and if something is wrong, phase will not occur. The G2 checkpoint is right before the M phase (mitosis). It is DNA damage checkpoint and it determines if DNA replication was successful.

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Barnacles and whales have a commensalistic relationship in which barnacles benefit. What would most likely happen to the whale population if the barnacle population decreased? become extinct decrease increase stay the same

Answers

Answer: stay the same

Explanation:

Commensalism can be define as relationship between two organisms which lives in close association with each other. In this relationship one organism is benifited and the other is neither harm or benifited.

The barnecal is the lice which attach themselves to the whale skin which sucks the blood. But whale having a large body remain unaffected.

On the basis of the above description, if the barnecle population decrease than the whale population will remain the same.

IT WOULD STAY THE SAME

What is created using the sugars that areproduced during photosynthesis
A. seeds
B. starches
C. fiber
Helppp pls

Answers

Answer:

B, starches

Explanation:

I’m not positive, but I think I remember this from 6th grade :)

Answer:starch

Explanation combines the glucose molecules a larger molecule , which is starch

Susan germinated a seed and watered the growing plant regularly. The plant produced flowers in the second year and died. Which type of plant could it be?

Answers

A plant that is only alive for two years is called a biennial. 

Robert Koch was a prominent player in all of the following buta. solid media
b. anthrax
c. vaccines
d. all of the above

Answers

The correct answer should be c. vaccines

He did incorporate solid media and anthrax in his research and was a pioneer of microbiology research having developed Koch's postulates and was awarded a Nobel Prize for his research. 

What is the purpose of mitosis? What would happen if cells did not undergo mitosis?

Answers

Mitosis is the process of cell reproduction. A cell cannot live forever so they either divide into two new cells through mitosis or die. The main purpose of mitosis is to replicate cells. If cells would not undergo mitosis, there would be no cell divisions, and the organism could not develop or increase in size. For example, after fertilization, after a zygote is formed, it undergoes mitotic divisions and as a resulting, embryo will be developed. If there were no mitosis, the embryo would not be formed, so the organism could not be developed.

Final answer:

Mitosis is vital for growth, repair and asexual reproduction by producing identical cells. Without mitosis, organisms would not be able to grow, repair, or fight diseases effectively.

Explanation:

The purpose of mitosis is to reproduce identical cells for growth and to replace worn-out cells. It enables an organism to grow and repair its tissues and organs by creating new cells with identical genetic information. If cells did not undergo mitosis, an organism would not be able to grow or heal. Fight against diseases, especially those that attack cells such as cancer, would also be greatly hindered without mitosis.

Mitosis ensures that each daughter cell gets an exact copy of the genetic material from the parent cell. This facilitates the primary roles of mitosis which include growth, repair, and asexual reproduction in some organisms.

Learn more about Mitosis here:

brainly.com/question/31626745

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Which of the following statements about angiosperm reproduction is true?a) Fruits reduce the success of dispersal because animals consume the seeds when eating the fruits.
b) There are a diverse array of flower shapes and colors, largely related to the mode of pollination.
c) The female gametophyte in angiosperms is larger than in gymnosperms.
d) It is less efficient than gymnosperm reproduction and requires more pollen.
e) Animal pollination is less efficient than wind pollination

Answers

The correct answer is: b) There are a diverse array of flower shapes and colors, largely related to the mode of pollination.

Angiosperms or flowering plants are plants with characteristic feature called flower. The main function of this plant structure is to ensure fertilization and development of fruit containing seeds. Flowers need to attract pollinators by their color, scent, and nectar (secreted in some part of the flower).
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