In the process of aerobic metabolism, carbon containing molecules are broken down and the energy from the electrons
is used to ____.
a. directly supply the energy needs of an organism
b. alter enzyme structure
c. generate a proton gradient
d. heat the organism in a cold environment
e. supply heat to stored fat
ANSWER: c
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The centromeres of sister chromatids uncouple and the chromatids separate in what meiotic phase?
A. prophase I B. metaphase II C. anaphase I D. telophase II E. anaphase II
In humans, ____ mutations cause forms of Ehlers–Danlos syndrome a disruption of collagen synthesis that may result
in loose skin or weak joints.
a. frameshift b. deleterious c. advantageous d. lethal e. neutral
Which animal, A, B, C, D, E, or F, has a nervous system feature referred to as a dorsal nerve cord?
1.A
2.B
3.C
4.D
5.E
6.F
Bacterial plasmids and artificial chromosomes are used as ________ to insert foreign DNA into host cells and create recombinant genomes.
A. vectors B. clones C. subunits D. endonucleases