Which structure controls lens shape?

a. cornea
b. sclera
c. iris
d. ciliary body
e. fovea


ANSWER: d

Biology & Microbiology

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Which of the following produces no seeds?

a. cycads b. conifers c. horsetails d. ginkgos e. tomatoes

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How many phenotypic classes may be generated from a three-point testcross?

A) (3)2 = 9 B) (2)3 = 8 C) (3)3 = 27 D) (2)2 = 4 E) It cannot be predicted.

Biology & Microbiology

In humans, urea and uric acid are produced by the kidneys

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

Which term describes an animal whose behavior is tied to phases of the moon?

a. diurnal b. lunar c. parasitic d. reptilian e. nocturnal

Biology & Microbiology