All of the following are non-protein electron carriers EXCEPT

A) FADH2.
B) FMNH2.
C) cytochromes.
D) quinones.


Answer: C

Biology & Microbiology

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Which of the following observations may have resulted in the hypothesis that a codon is made up of three bases?

A) A codon of two bases in length, from four different bases, would code for a maximum of thirty-two different amino acids. B) A codon of three bases in length, from four different bases, would code for a maximum of twelve different amino acids. C) A codon of four bases in length, from four different bases, would code for a maximum of twenty-four different amino acids. D) A codon of three bases in length, from four different bases, would code for a maximum of sixty-four different amino acids.

Biology & Microbiology

Which molecules are examples of effector molecules?

A) Allolactose and Trp B) Lac repressor and Trp repressor C) The promoter and operator D) lacY and lacZ E) Lactose and glucose

Biology & Microbiology

People with a large amount of a certain type of connective tissue are least likely to be sensitive to cold. Which type of

tissue is this? a. cartilage b. adipose c. blood d. dense connective e. loose connective

Biology & Microbiology

ectotherms

What will be an ideal response?

Biology & Microbiology