Viruses

A) are larger than bacteria.
B) are metabolically independent.
C) are living cells.
D) survive by infecting and reproducing within living cells.


D

Nutritional Science

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Sluggish contractions that move wastes toward the sigmoid colon are called

A) segmentation. B) mass movement. C) haustration. D) peristalsis.

Nutritional Science

What is osteopenia?

What will be an ideal response?

Nutritional Science

Without adequate vitamin K, blood does not clot properly and bleeding problems can develop

Indicate whether the statement is true or false

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Chemicals that accumulate in soil and water as a result of car emissions, improperly disposed waste, industry, and agriculture are known as

A. food residues.
B. mycotoxins.
C. greenhouse gases.
D. persistent organic pollutants.

Nutritional Science