An indicator of programmed cell death is
a. fragmented chromatin.
b. swelling of the membrane.
c. cell lysis.
d. loss of transcription control.
e. All of the above
Ans: a. fragmented chromatin.
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Which regulatory mechanism is important in keeping glycolysis and the citric acid cycle in relative balance to each other?
A. Citrate inhibits phosphofructokinase 1. B. ADP up-regulates phosphofructokinase 1. C. ATP inhibits phosphofructokinase 1. D. AMP inhibits phosphofructokinase 1.
A(n) ____ is a group of neighboring populations that exchange individuals
a. K-selected species b. Type I species c. r-selected species d. sink population e. metapopulation
A euryhaline species can tolerate:
a. a wide range of temperatures. b. a narrow range of temperatures. c. a wide range of salinities. d. a narrow range of salinities.
The root-to-shoot water in a plant is called the transpiration stream
Indicate whether the statement is true or false.