Eighteen of the amino acids have two or more synonymous codons. Which two amino acids are the exceptions?

What will be an ideal response?


Met and Trp

Biology & Microbiology

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. The word "animalcule" was coined by

A. Pasteur. B. van Leeuwenhoek. C. Redi. D. Tyndall.

Biology & Microbiology

A toxic organic compound is:

a. chromium. b. polychlorinated biphenyls. c. trash. d. oil. e. zinc.

Biology & Microbiology

A solution registers 12 on the pH scale. This solution is:

A: acidic
B: basic
C: neutral
D: a buffer

Biology & Microbiology

Which of the following is NOT a characteristic of plants

A. Eukaryotic Cells B. Cell walls containing Chitin C. Multicellular structure D. Chloropyll

Biology & Microbiology