While there are 64 codons in the genetic code, they encode only ____ amino acids

a. 60
b. 20
c. 12
d. 24
e. 44


b

Biology & Microbiology

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Which of the following is a source of methane?

A. Photosynthesis from halophiles in the Dead Sea B. Degradation of cellulose and lignin by fungi C. Decomposition of organic detritus on the forest floor D. Gastrointestinal tract of cattle and sheep E. All of these processes produce methane.

Biology & Microbiology

Contrast animal relationships based on molecular data versus based on morphological and

developmental data.

What will be an ideal response?

Biology & Microbiology

Which of the following is NOT characteristic of

slow- twitch muscle fibers? a. pale color b. many mitochondria c. form ATP only by aerobic respiration d. operate during marathon runs e. found in abundance in migrating ducks

Biology & Microbiology

Driving along a rural two-lane highway, you notice a kestrel perched on a telephone line approximately every mile or so. This pattern continues for quite a few miles. What type of distribution applies to this example?

A) clumped B) uniform C) random D) normal

Biology & Microbiology