Gases that are regulated by biological processes include:
a. oxygen.
b. carbon dioxide.
c. argon.
d. Both a and b.
e. Both b and c.
D
Biology & Microbiology
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True or false: the First Law of Thermodynamics states that the degree of disorder in the universe tends to increase
A. true B. false
Biology & Microbiology
A protostome is distinguished by a(n):
A. endoderm that becomes a mouth. B. mesoderm that becomes an anus. C. blastopore that becomes a mouth. D. blastopore that becomes an anus.
Biology & Microbiology
Which immune system component has a principal role in the curve labeled “D” on the graph?
a. IgM b. IgA c. cytotoxic T cells d. memory cells e. NK cells
Biology & Microbiology
Primary growth
a. occurs along the sides of stems. b. is dependent upon apical meristem. c. increases the diameter of older plants. d. is responsible for additions to woody parts. e. fits all of these descriptions
Biology & Microbiology