The reuptake of serotonin by neurons in the brain can be inhibited by:
a. astrocytes.
b. antidepressant medications.
c. Valium.
d. enkephalin.
e. nitrous oxide.
B
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Which of the following statements correctly describe(s) a relationship between transpiration and other processes in plants? Select all that apply.
a. Transpiration is important in cooling leaves on warm, sunny days. b. In most plants, the highest rate of transpiration occurs when the rate of photosynthesis is also highest. c. Open stomata provide a low-resistance pathway for CO2 to enter and for water to exit the leaf. d. The large surface area exposed to air inside the leaf maximizes the plant’s ability to absorb CO2 while minimizing water loss through transpiration. e. Water is pulled from the roots to the leaves by transpiration, whereas mineral nutrients diffuse from the roots to the leaves. f. To minimize water loss during dry conditions, most plants must also restrict their ability to carry out photosynthesis.
What is genetic diversity? Why is it important to maintain genetic diversity?
What will be an ideal response?
____ are projections on epithelial tissue that increase the surface area
a. Cilia b. Microvilli c. Flagella d. Pseudopodia e. Exocrines
The mucous sheet produced by the endostyle traps the microscopic food particles in the water. This sheet is located in the pharynx of what animal?
A. Lancelet B. Arrow worm C. Crinoid D. Acorn worm E. Tunicate