Which of the following is not a piece of evidence that supports the theory of evolution?
A. Changes in the genetic makeup of an individual organism have no influence on evolution.
B. Different populations of the same species show adaptations suitable for their local conditions.
C. Changes in the characteristics displayed by species can be linked to environmental changes.
D. Selective breeding of domesticated plants and animals indicates that the shape, color, behavior, metabolism, etc., of organisms can be selected for.
A. Changes in the genetic makeup of an individual organism have no influence on evolution.
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A polylinker is a:
A. synthetic DNA fragment that contains multiple restriction enzyme sites. B. synthetic DNA fragment inserted into a vector that allows replication of the vector in the host cell. C. DNA sequence that allows for selection of cells that contain the vector. D. molecule used to ligate DNA fragments together. E. synthetic DNA fragment used in colony hybridization to visualize colonies that contain the DNA of interest.
A diagram of relationships that are constructed objectively using a table of discrete characters is called
a
a. karyogram. b. phylogenetic tree. c. character tree. d. cladogram. e. genetic tree.
The photos of the Muir Glacier taken in 1941 (left) and 2004 (right) demonstrate the consequences of____
a. deforestation b. biological magnification c. acid rain d. ozone destruction e. global climate change
How does the binding of a regulatory molecule to the allosteric site affect the activity of an enzyme? (Check all that apply.)
A. It may change the maximum velocity of the enzyme. B. It may decrease the activity of the enzyme. C. It may increase the activity of the enzyme. D. It may change the affinity of the enzyme for its substrate. E. It causes the enzyme to denature and become inactive. F. It may cause the active site to disappear altogether. G. It may change the shape of the enzyme.