79 Best AP Biology Questions and Answers (Q&A) - ProProfs Discuss

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What is the correct sequence of electron travels during aerobic respiration?

L. Brett, Sales Manager
Answered: Nov 27, 2018

Option B - Food -> NADH -> Electron transport chain -> oxygen is the correct sequence of electron travel during aerobic respiration. In aerobic respiration (also known as cellular respir...Read More

5 Answers

3289 views

How do the daughter cells at the end of mitosis and cytokinesis compare with their parent cell when it was in G1 of the cell cycle?

H.Donna
Answered: Jan 17, 2018

Mitosis is basically the process of cell division. It is the mechanism by which the cell divides and forms two identical daughter cells. There are different stages of mitosis, with each stage...Read More

2 Answers

2338 views

How many centromeres are there if there are 20 chromatids in a cell?

C. Lopez, Chauffer
Answered: Feb 26, 2019

The correct answer to this question is Centromeres. Centromeres are the region of a chromosome where the microtubules of the spindle attach during cell division. Centromeres are at the end of the...Read More

3 Answers

1900 views

What is a characteristic feature of a carrier protein in a plasma membrane?

Muitran
Answered: Jan 21, 2025

It exhibits a specificity for a particular type of molecule.

1 Answer

1597 views

What is one of the ways that the membranes of winter wheat are able to remain fluid when it is extremely cold?

W. Mocroft, Philanthropist
Answered: Nov 27, 2018

Winter wheat is vital for provision of crops outside peak season especially for heifers. Winter wheat is the most popular arable crop but it suffers greatly from low temperatures. The membranes...Read More

2 Answers

1560 views

Which of the following is not a phase of hemostasis?

C. Bernthal, Teacher
Answered: May 23, 2019

When there is an injury involving a laceration, or within surgery, we want the blood to stop flowing. The process of finishing the blood flow is called hemostasis. Stasis is a word meaning stop...Read More

2 Answers

1458 views

What pathway do most electrons follow inside an active mitochondrion?

C.Dorothy
Answered: Dec 08, 2017

Mitochondrion is the part of the eukaryotic cells that is found in the cytoplasm of the cells. These cells have a nucleus. There are other parts inside the cells including the mitochondrion. They...Read More

3 Answers

1418 views

What is the direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation?

A. Cook, English Professor
Answered: Nov 11, 2018

In health care, ATP stands for adenosine triphosphate and ATP synthase is the enzyme that is responsible for creating ATP. Energy is the key thing about ATP. Oxidative phosphorylation plays a...Read More

2 Answers

1402 views

Why does a solution of starch at room temperature not readily decompose to form a solution of simple sugars?

Carice Snow, Motivator
Answered: Nov 27, 2018

Starch is present in plants. It is a soft, white, tasteless powder that is insoluble in cold water, alcohol, or other solvents. All starch contains a form of sugar. A solution of starch is...Read More

3 Answers

1394 views

Which of the following is not a formed element of the blood?

Bschafer
Answered: Jan 21, 2025

Antibodies

1 Answer

1393 views

What determines the difference in lipid and protein composition between the membranes of the endomembrane system?

Barry Mclean, Sales Manager
Answered: Dec 18, 2018

In the eukaryotic cell, there are many parts. There are lipids and proteins between the membranes of the endomembrane system. The endomembrane system are in the cytoplasm within these...Read More

4 Answers

1383 views

Which process will be affected by damage to the thylakoid?

E. Stanley, Technical writer
Answered: Jul 17, 2018

Thylakoids are special stacks that are present within a chloroplast of a plant cell. Chloroplasts are organelles that are responsible for photosynthesis. These thylakoids contain the pigment...Read More

3 Answers

1332 views

How can a human cell in prophase of mitosis be distinguished from human cell in prophase l of meiosis?

Bobby Rickets, Content Reviewer
Answered: Jun 20, 2019

By the presence of twice as many chromosomes in the meiotic cell. There are many other differences between the prophases in mitosis and meiosis. Prophase in mitosis is much shorter Prophase I in...Read More

2 Answers

1171 views

What describes the termination of transcription in prokaryotes?

Muitran
Answered: Jan 21, 2025

RNA polymerase transcribes through the terminator sequence, causing the polymerase to fall off the DNA and release the...Read More

1 Answer

1155 views

What does the QRS wave of the electrocardiogram (ECG) represent?

Bschafer
Answered: Jan 21, 2025

Ventricular depolarization

1 Answer

1126 views

AP Biology Questions and Answers (Q&A)

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