A thin filament of muscle is composed primarily of the protein
A. hemoglobin.
B. myosin.
C. myoglobin.
D. actin.
E. pectin.
D. actin.
Biology & Microbiology
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In order to add a single amino acid to a growing polypeptide chain, a total of ________ molecules or ATP of GTP are utilized.
A. three B. six C. two D. four
Biology & Microbiology
Which of the insects in Figure 31-7 is a flea?
A. 1
B. 2
C. 3
D. 5
E. 6
Biology & Microbiology
How do fungi reproduce sexually?
A) By the fusion of gametes from two different fungi B) By the fusion of spores from two different fungi C) By the fusion of hyphae from two different fungi D) Fungi reproduce only by asexual reproduction
Biology & Microbiology
FSH stimulates interstitial cells in the testes to produce testosterone
Indicate whether the statement is true or false
Biology & Microbiology