Which structure would be expected in normal eye cells but not in normal heart cells?

A) the protein rhodopsin
B) light-detecting mitochondria
C) the protein troponin
D) genes for the production of rhodopsin


A

Biology & Microbiology

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Suppose that in plants, smooth seeds (S) is dominant to wrinkled seeds (s), and tall plants (T) is dominant to short plants (t). An F1 plant from a mating between homozygous plants that were tall/smooth and short/wrinkled was crossed to the short/wrinkled parent. What proportion of the progeny is homozygous for short and wrinkled alleles?

A) 1/2 B) 1/4 C) 1/8 D) 1/16 E) 0

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The oldest fossils look as though they were formed by organisms that resemble modern

a. sponges. b. red algae. c. jellyfish. d. amebas. e. prokaryotes.

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Describe how cells can regulate aerobic respiration at the level of the conversion of glucose-6-

phosphate to fructose-1, 6-bisphosphate as catalyzed by phosphofructokinase (PFK). What will be an ideal response?

Biology & Microbiology

The keystone species in the African savanna is the elephant

Indicate whether the statement is true or false

Biology & Microbiology