A simple reflex arc is made up of a sensory receptor and
a. a sensory neuron.
b. a motor neuron.
c. an effector.
d. all of the above.
b
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Which of the following regions is especially important for functions related to emotion such as understanding emotional situations or being able to recognize displays of emotion by other individuals?
A. amygdala B. hippocampus C. thalamus D. pons E. reticular formation
Glycoproteins and glycolipids perform what function on the surface of a plasma membrane?
a. cell-cell recognition b. act as enzymes c. part of the cytoskeleton d. Glycoproteins and glycolipids do not live on the surface of the plasma membrane.
Contractile vacuoles are
A. used to bring solutes into a cell. B. important to certain organisms in hypertonic environments. C. used to expel excess water from cells. D. found in bacterial cells. E. protein carriers in cell membranes.
Approximately _______ percent to ________ percent of processed foods in supermarkets are
genetically modified. Fill in the blank(s) with the appropriate word(s).