Unit Test

Question 1

Which statement describes thylakoids?

Revolt · Accepted Answer

D: Photosystems I and II function here.

Question 2

Which function of the cell cycle is especially important to burn victims?

Revolt · Accepted Answer

D: reproduction of new cells

Question 3

Which term identifies a light-absorbing pigment?

Revolt · Accepted Answer

D: chlorophyll

Question 4

How does ATP supply energy for cellular activities?

Revolt · Accepted Answer

A: by breaking off a phosphate group from its structure

Question 5

Tissue cultures (samples of cancer cells) are taken from cancer patients, and the cells are then grown in a laboratory. What is the purpose of growing cancer cells in a laboratory?

Revolt · Accepted Answer

A: to test medicinal treatments before giving them to patients

Question 6

Which question can be answered by following the scientific method?

Revolt · Accepted Answer

C: How does a change in temperature affect the stomata of a plant?

Question 7

Why is the Calvin cycle considered a dark reaction?

Revolt · Accepted Answer

D: It can proceed in the dark.

Question 8

Which statement best describes the overall change that occurs as a result of mitosis?

Revolt · Accepted Answer

A: One cell becomes two cells that have identical copies of DNA.

Question 9

A cell begins to send out incorrect chemical signals to neighboring cells. During which phase of the cell cycle did the cause of the change most likely happen?

Revolt · Accepted Answer

D: S phase

Question 10

Which is the final electron acceptor in the electron transport chain of cellular respiration?

Revolt · Accepted Answer

C: oxygen

Unit Test Answers

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