Melatonin is secreted by
a. pancreatic islet cells.
b. the thyroid gland.
c. the pituitary gland.
d. the pineal gland.
e. the kidneys.
D
Biology & Microbiology
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The process that produces mRNA from DNA is called
A. transcription. B. translation. C. replication. D. processing. E. post-translational modification.
Biology & Microbiology
Filamentous phage
A. only infect E. coli that have pili. B. only infect E. coli lacking pili. C. infect E. coli regardless of the presence of pili. D. do not infect E. coli.
Biology & Microbiology
The ____________________ is the double-layered membrane that connects the lungs and chest wall. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
The primary structure of a protein is the ____________________ in a polypeptide chain Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology