If you awoke and looked out your window and saw a gopher shaking, what might be true about the temperature outside?
What will be an ideal response?
It is very cold, and the gopher is shivering to help thermoregulate
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IgE is found in extremely small amounts in serum
Indicate whether the statement is true or false.
Which of the following hormones is different from the others based upon the extent of its target cells?
a. corticotropin b. luteinizing hormone c. somatotropin d. thyrotropin e. follicle-stimulating hormone
The effects of the activation of protein kinase do not include:a
alteration of membrane permeability. b. activation of adenylyl cyclase. c. activation of gene expression. d. phosphorylation of the target protein. e. alteration of cellular metabolism.
Which statement regarding transport is false?
a. Active transport is the movement of molecules from areas of high concentration to areas of low concentration. b. ABC transporters consist of a substrate-binding protein, a transmembrane transporter, and an ATP-hydrolyzing protein. c. Simple transport, group translocation, and ABC transport systems all require energy. d. Proton motive force, ATP, or another energy-rich compound can be used to provide the energy required for active transport.