A flower on a plant represents which level of organization?
A. atom.
B. cell.
C. organ.
D. organism.
E. population.
C. organ.
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Which item or items are the same as a fertilized egg?
a. II only b. III only c. V only d. II and III e. III and V
A tumor suppressor gene is cloned and mutagenized in vitro, then injected into mouse embryos to create knockout mice. How could you identify the heterozygous knockout mice and create mice susceptible to tumors?
What will be an ideal response?
Antibody diversity is due to genetic influences on the:a
Fc region. b. heavy chain. c. variable region. d. light chain. e. constant region.
Which are the components of an ATP molecule?
A. ribose, 3 phosphates, 1 adenine B. glucose, 3 phosphates, 1 guanine C. deoxyribose, 3 phosphates, 1 guanine D. deoxyribose, ribose, 1 cytosine E. ribose, 2 phosphates, 1 thymine