In some organisms, a special tRNA recognizes the UAG stop codon but incorporates the amino acid
A) methionine.
B) cysteine.
C) glycine.
D) pyrrolysine.
E) None of these.
Answer: D
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Which reaction breaks down large molecules into
smaller molecules? a. synthesis b. cleavage c. condensation d. polymerization e. both cleavage and condensation
Lactic Acid and Cavities
What will be an ideal response?
Club mosses belong to the phylum Bryophyta. Indicate whether the statement is true or false
Which of the following are characteristics of biomes? Check all that apply.
A. The climate and geography of a region determines what type of biome can exist in that region. B. Each biome consists of only one type of ecosystem. C. Biomes are only located at certain longitudes and latitudes. D. Temperate evergreen forest is one of the major biomes. E. A biome is a large geographical area with distinctive plant and animal groups.