What important metabolic intermediate does not cross the inner membrane of the mitochondria?  

A.  ATP
B.  Acetyl-CoA
C.  Pyruvate
D.  Oxygen


B.  Acetyl-CoA

Biology & Microbiology

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The shift to bipedalism required changes to the architecture of which of the following (select all that apply)?

A. skull B. spine C. pelvis D. legs E. hands

Biology & Microbiology

In the figure above, which lane shows a very large, linear DNA fragment that was cut by one enzyme?

a. 1 b. 2 c. 3 d. 4 e. 5

Biology & Microbiology

X-linked or sex-linked traits are expressed in males but not in females

Indicate whether the statement is true or false

Biology & Microbiology

Bones store calcium and

A) manganese. B) glycogen. C) phosphorus. D) magnesium. E) amino acids.

Biology & Microbiology