The process by which cells use energy to move mole

ATI RN

ATI RN Test Bank

The process by which cells use energy to move molecules against their concentration gradient is known as:

A. Facilitated diffusion B. Osmosis C. Active transport D. Simple diffusion

Correct Answer: C

Rationale: Active transport requires energy to move substances against their gradient.

During which phase of mitosis do chromosomes align along the equatorial plane of the cell?

A. Prophase B. Metaphase C. Anaphase D. Telophase

Correct Answer: B

Rationale: Chromosomes align at the metaphase plate during Metaphase.

The movement of molecules from an area of higher concentration to an area of lower concentration is called:

A. Active transport B. Facilitated diffusion C. Osmosis D. Simple diffusion

Correct Answer: D

Rationale: Simple diffusion moves molecules down their concentration gradient.

What is the function of ribosomes in the cell?

A. Synthesizing lipids B. Modifying and packaging proteins C. Producing ATP D. Synthesizing proteins

Correct Answer: D

Rationale: Ribosomes synthesize proteins by translating mRNA.

Which type of epithelial tissue is found lining the lungs and blood vessels?

A. simple squamous B. stratified squamous C. simple cuboidal D. pseudostratified columnar

Correct Answer: A

Rationale: Simple squamous epithelium, with its thin, flat cells, lines the lungs and blood vessels for efficient gas exchange.

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