The signal for aggregation and communal activity by cellular slime molds is
a. auxin.
b. glycoprotein slime.
c. GTP.
d. cyclic AMP.
e. unidentified as yet.
D
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Penicillin G is frequently injected but not normally given orally because it is rapidly degraded in the stomach.
Answer the following statement true (T) or false (F)
In ciliates, the process that produces genetic variation through the exchange of nuclei is
a. mixotrophy. b. endosymbiosis. c. meiosis. d. conjugation. e. binary fission
Tinbergen is credited with founding the field of behavioral ________, the study of how natural selection shapes behavior.
A. symptomatology B. genetics C. demographics D. ecology
Which of the following enzymes is responsible for DNA synthesis during replication?
a. deoxyribonuclease b. polymerase c. helicase d. primase e. None of the above