In what sense are studies by nineteenth-century naturalists and those by early twenty-first-century genomic biologists similar?
A) Both focused on cellular evolution.
B) Both worked to understand how genes evolved.
C) Both took a reductionist approach by studying only one small part of a complex system.
D) Both focused on observing and describing what exists in their realms of investigation.
D
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What are the major antigenic barriers for tissue transplantation from one individual to another?
What will be an ideal response?
The new version of the H1N1 virus had genes
from ___ flu viruses.
a. human b. bird c. swine d. all of these e. none of these
In addition to aerobic respiration, which of the
following metabolic pathways include electron transfer phosphorylation?
a. the light-dependent reactions of photosynthesis b. the light-independent reactions of photosynthesis c. alcoholic fermentation d. lactate fermentation e. more than one of these
The cells surrounding milk-producing cells in the
female mammary gland contract shortly after the female hears the cry of an infant. This is an example of a. a response that is not a behavior. b. instinctive behavior. c. imprinting behavior. d. learned behavior. e. a time-dependent form of learning.