DNA is a double-stranded molecule and RNA is a single-stranded molecule.

a. true
b. false


Answer: a. true

Biology & Microbiology

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Ebola virus can be transmitted via

A) fruit fallen from a tree. B) direct contact with bodily fluids of an infected person. C) agriculture/crops in an epidemic area. D) any contact, like a handshake.

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Which of the following is delivered from the small intestine to the bloodstream through the lymphatic system?

A) Amino acids B) Proteins C) Lipids (fats) D) Carbohydrates (sugars)

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Where does the energy for the Calvin cycle come from?

A. carbon dioxide B. O2 C. NADPH and ATP D. sugar

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Intake of saturated fats stimulates cholesterol synthesis in the liver and may therefore result in an increase in blood cholesterol levels.

a. true b. false

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