In response to capture, animals often produce stress hormones. In green sea turtles,
A) An elevation in corticosterone levels is observed.
B) Other hormones related to their reproductive condition influence the magnitude of the stress response.
C) Males and females show similar increases in corticosterone levels.
D) A and B
Answer: D
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Infoldings in the sarcolemma called __________ tubules conduct electrical currents to the interior of the cell.
Fill in the blank(s) with the appropriate word(s).
The following represents a collection of spinal nerve roots hanging from the inferior end of the spinal cord
A) filum terminale B) cauda equina C) dorsal roots D) denticulate ligament
Which of the following statements is TRUE regarding the chloride shift at the level of tissue capillaries?
a. Hydrogen ions are bound by oxyhemoglobin, which decreases its affinity for oxygen. b. A RBC symport is responsible for the movement of chloride. C. Bicarbonate is brought back into red blood cells in exchange for chloride exiting. d. Carbonic acid binds hydrogen with the help of carbonic anhydrase.
Two solutions are separated by a semipermeable membrane with the same properties as a cell membrane. Solution A is 5 percent glucose and solution B is 10 percent glucose. Under these circumstances,
A) water will move from solution A to solution B. B) water will move from solution B to solution A. C) glucose will move from solution A to solution B. D) glucose will move from solution B to solution A. E) at equilibrium the concentration of glucose will be higher in solution B.