In the amphibian embryo, the first cleavage bisects the gray crescent
Indicate whether the statement is true or false.
ANSWER: True
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Interaction of a PAMP with a TLR triggers transmembrane signal transduction and subsequent
A) clonal expansion. B) antibody production. C) complement protein activation. D) phagocytosis and inflammation.
If the copy number of a proto-oncogene is increased by gene duplication then the proto-oncogene has undergone
A. a missense mutation. B. a nonsense mutation. C. a chromosomal translocation. D. gene amplification. E. retroviral insertion.
A strain of bacteria containing F? factor genes is called a
A. hemizygote. B. merozygote. C. homozygote. D. heterozygote. E. monozygote.
Fats, proteins, and complex carbohydrates are all synthesized by
A. hydrolytic reactions. B. dehydration synthesis. C. exchange reactions. D. hydrogen bonding. E. catabolic reactions.