Water-soluble hormones affect target cells by binding to __________.
A) adenylate cyclase
B) cytoplasmic receptors
C) protein kinases
D) cAMP
E) plasma membrane receptors
E) plasma membrane receptors
Water-soluble hormones bind to specific receptors in the plasma membrane, whereas steroid hormones bind to cytoplasmic receptors
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What category describes a species that, while not presently at risk of extinction, could likely be at risk of extinction in the near future?
A. A species of concern B. A threatened species C. An invasive species D. An endemic species
Judah Folkman used which experimental model system to explore the relationship between tumor growth and angiogenesis?
A) a rabbit eye B) the colon C) bone marrow D) mouse skin E) in vitro cells
Which of the following statements concerning infection with Toxoplasma gondii is FALSE?
A. It is one of the world's most widely distributed protozoan parasites in humans. B. It is typically contracted by eating undercooked meat. C. Even though it can be transmitted across the placenta, it is harmless to the fetus. D. The majority of infected people are asymptomatic. E. It usually results in no permanent damage and is self-limiting.
Regular refrigeration does not inhibit the growth of ________ microbes that can continue to grow and cause food spoilage.
What will be an ideal response?