Which of the following statements about the evolution of animal cell adhesion molecules is true?
A. Animal cell adhesion molecules evolved
from protein families that originally performed
other functions.
B. The genes for integrins are found in all
opisthokonts including animals, plants, and
fungi.
C. The genes for cadherins are only found in
animals.
D. The genes for integrins are found only in
multicellular organisms.
E. All of these statements about the evolution
of animal cell adhesion molecules are true.
A
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This primate is a Philippine tarsier, which has a tail longer than its body, and a brain about the same size of one of its eyes. Tarsiers have the largest eyes relative to their body size of any mammal, and it uses them to hunt the insects, lizards, and small birds that make up its diet. How is the Philippine tarsier classified?
a. Dermopterans
b. Strepsirrhines
c. Haplorhines
d. Catarrhines
An autosomal dominant type of colon cancer associated with microsatellite DNA instability is
________________. Fill in the blank(s) with the appropriate word(s).
Which of the following is not a common analytical instrument approach in proteomics?
a. Atomic absorption analysis of the metal content of plant tissues b. High-throughput microscope analysis of the distribution of GFP fusion proteins in cells c. Mass spectrometry d. Two-dimensional gel electrophoresis
NADPH is produced by
A. neither the light reactions nor the Calvin cycle. B. the Calvin cycle alone. C. light reactions alone. D. both light reactions and the Calvin cycle. E. NADPH production is not a part of photosynthesis.