Relatively small geographic areas with high concentrations of endemic species and a large number of endangered and threatened species are known as _____
A) endemic sinks
B) critical communities
C) biodiversity hot spots
D) endemic metapopulations
E) bottlenecks
Answer: C
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Adding nucleotides onto a growing DNA strand during DNA replication in cells occurs in
a. the 5' ? 3' direction for the leading strand and the 3' ? (äw 5' direction on the lagging strand. b. either the 5' ? 3' direction or the 3' ? 5' direction on both strands, depending on where replication begins. c. the 5' ? 3' direction only. d. the 3' ? 5' direction for the leading strand and the 5' ? 3' direction on the lagging strand. e. the 3' ? 5' direction only.
Each enzyme has a particular substrate because enzymes
A. have active sites complementary in shape to their substrates. B. are named for their substrate. C. decrease the productivity of the cell. D. always require coenzymes. E. increase the energy of activation.
The force exerted outward on a plant cell wall by the water contained in the cell is called ________ pressure
Fill in the blank(s) with correct word
In what ways are we finding that the gut microbiota affects our health?
What will be an ideal response?