Dilation of blood vessels is regulated by the second messenger
A) cAMP.
B) Ca2+.
C) IP3.
D) CO2.
E) NO.
Answer: E
Biology & Microbiology
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A. rainfall B. temperature C. both temperature and rainfall D. neither temperature nor rainfall; it depends on latitude and longitude
Biology & Microbiology
Temperate phages are viruses that produce prophages.
Indicate whether the statement is true or false.
Biology & Microbiology
Blood vessels that return blood from capillaries back to the heart are
(a) arteries. (b) veins. (c) portal veins. (d) arterioles
Biology & Microbiology
Females outnumber males in the tertiary sex ratio because genetic and ____________________ factors cause higher death rates among males
Fill in the blank(s) with correct word
Biology & Microbiology