Which one of the following is the fibrous, white outer covering of the eye?

A. sclera
B. lens
C. pupil
D. retina


A

Biology & Microbiology

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Which of the following is a DNA virus?

A) hepatitis A virus B) hepatitis B virus C) hepatitis C virus D) hepatitis D virus

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The patterns of phenotypes an individual may develop upon exposure to different environments is called its ________

A) predictability norm B) variability norm C) response norm D) reaction norm

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A reaction that requires oxygen is called 

A. aerobic. B. synthesis. C. phosphorylation. D. anaerobic.

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Rods exposed to light will _____

A) depolarize due to the opening of sodium channels B) hyperpolarize due to the closing of sodium channels C) depolarize due to the opening of potassium channels D) hyperpolarize due to the closing of potassium channels

Biology & Microbiology