What is the primary means of reproduction among the protists, cnidaria, and tunicates?
A. asexual reproduction
B. sexual reproduction
C. asynchronous reproduction
D. hermaphroditic reproduction
A. asexual reproduction
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In humans, sex determination is genetic. Specifically, it depends on the presence or absence of the _____ gene residing on the _____ chromosome. The gene produces a protein called _____, which causes the developing gonad to differentiate
A. SRY; Y; TDF B. SRY; X; TDF C. TDF; X; SRY D. TDF; Y; SRY E. SRY; largest; TDF
Denaturation of proteins may result in all of the
following EXCEPT a. breakage of hydrogen bonds. b. loss of three-dimensional structure. c. removal of R groups from amino acids. d. alteration of enzyme activity. e. endangerment of a cell’s life.
Which of the following is mismatched?
a. cytokinin; retards aging b. auxin; promotes cell elongation c. gibberellin; involved in phototropism and gravitropism d. abscisic acid; promotes stomatal closure e. ethylene; promotes leaf abscission
What event at the axon terminals is stimulated by the action potential?
What will be an ideal response?