In the metabolism of a fatty acid to obtain energy, one of the first steps is that the fatty acid is broken down to 

A. acetyl.
B. glycerol.
C. glyceraldehyde-3-phosphate.
D. a keto acid.


A. acetyl.

Biology & Microbiology

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Differential media only allows certain bacteria to grow

Indicate whether this statement is true or false.

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If the genetic code contained six nucleotides instead of four, and each amino acid were specified by a single codon, how many unique codons would exist?

a. 144 b. 96 c. 216 d. 256

Biology & Microbiology

Which statement is NOT true of diffusion?

a. The process requires a concentration gradient. b. The particles diffuse faster when the concentration gradient is steep. c. The uncharged particles also move down electrical gradients. d. Each particle moves down its own concentration gradient. e. The process requires ATP.

Biology & Microbiology

Most electron carriers are

A. inorganic phosphate. B. coenzymes. C. enzymes. D. hydrogens. E. All of these choices are correct.

Biology & Microbiology