From an evolutionary perspective, true nerve cells are first seen in the phylum:A
Porifera.
B. Cnidaria.
C. Ctenophora.
D. Mollusca.
E. Arthropoda
B
You might also like to view...
What enzyme is produced by the human body following a snack on a donut?
A. Glucagon B. Insulin C. Both insulin and glucagon D. No enzyme is produced following a snack; enzymes are not triggered by food consumption.
Which level of membrane permeability allows the cell to reach equilibrium with its environment the fastest?
a. 0.05 b. 0.10 c. 0.20 d. None of the above. Membrane permeability does not influence the time it takes toreach equilibrium.
Sensory neurons responsible for somatic
sensations are located
a. in the skin. b. in muscles. c. in tendons. d. in joints. e. in all of these.
In estimating the effect of a difference in earnings for ivy league graduates, non-ivy league college graduates, and non-college graduates the following regression is run: Earningsi = ?0 + ?1IvyLeaguei + ?2NonIvyCollegeGraduatei + Ui. What does the coefficient ?1 represent?
A. The average earnings of an Ivy league graduate. B. The average earnings of an ivy league graduate conditional on graduating from any college. C. The additional increase (decrease) in earnings from going from no college degree to an Ivy league degree. D. The additional increase (decrease) in earnings from going from graduating college to graduating from an Ivy league school.