The part of the eye that focuses light onto a sheet of photoreceptors is the

A. lens.

B. cone.

C. pupil.

D. retina.

E. iris.


A. lens.

Biology & Microbiology

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Which chemical builds up in Tay-Sachs disease?

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In the vicinity of the equator, air warmed by solar radiation rises

Indicate whether the statement is true or false

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There is currently a drying trend due to global warming in the Southern Hemisphere

Indicate whether the statement is true or false

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In a population of 50,000 diploid individuals, what is the probability that a new neutral mutation will ultimately reach fixation?

a. 0.001 b. 0.0001 c. 0.00001 d. 0.000001 e. 0.0000001

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