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Biology

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HESI A2
HESI A2 Version 2
Biology

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Question 1 of 30

What must any solution injected into tissues be to prevent cells from shrinking or swelling?

A. Distilled.

B. Hypertonic.

C. Hypotonic.

D. Isotonic.

Correct Answer:

Rationale:

Question 2 of 30

What structure in a plant cell is surrounded by a double membrane and contains most of the genetic information used to control the cell?

A. Mitochondrion

B. Nucleus.

C. Chromatin.

D. Chromosome.

Correct Answer:

Rationale:

Question 3 of 30

Osmotic pressure is the tendency for a single solution to absorb what substance?

A. Sodium.

B. Water.

C. Positive ions.

D. Negative ions.

Correct Answer:

Rationale:

Question 4 of 30

Skin cells undergo what type of cellular division?

A. Melosis.

B. Binary fission.

C. Sexual reproduction.

D. Mitosis.

Correct Answer:

Rationale:

Question 5 of 30

A plant cell is placed in a solution and it shrinks from water loss. In what type of environment was the cell placed?

A. Plasmolytic

B. Hypertonic.

C. Hypotonic.

D. Isosmotic.

Correct Answer:

Rationale:

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