The cuticle of most insects is composed of:
A. structural proteins.
B. pectin.
C. chitin.
D. waxy lipids.
C
Biology & Microbiology
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Which of the following is themuscle protein that binds and stores oxygen to maintain aerobic conditions in actively contracting muscle?
A. hemoglobin B. myoglobin C. troponin D. calmodulin
Biology & Microbiology
How much of Europe’s population was wiped
out by the Black Death?
a. 1/2 b. 1/3 c. 1/4 d. 1/5 e. 1/6
Biology & Microbiology
Which of the following gene mutations is least
likely to impact the protein? a. A conservative substitution. b. A non-conservative substitution. c. An amino acid deletion. d. An amino acid insertion. e. All would be the same
Biology & Microbiology
Alternation of generations means that a diploid sporophyte produces haploid spores by meiosis and a haploid gametophyte produces gametes by mitosis.
a. true b. false
Biology & Microbiology