An excess number of chromosomes in a gamete results from
A. mutation.
B. nondisjunction.
C. crossing-over.
D. fertilization.
B. nondisjunction.
Biology & Microbiology
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Energy is carried from the light reactions to the Calvin cycle by __________.
A. water B. ATP C. NADP+ D. oxygen E. CO2
Biology & Microbiology
The medicinal leech, once used to withdraw "unhealthy" blood from patients, produces ____________ to ensure blood flow from the host?
A. antibiotics B. antibodies C. anticoagulants D. blood clots E. suture material
Biology & Microbiology
Which of the following populations exhibits a type III curve?
1.A
2.B
3.C
Which hormone allows muscle cells to store glucose?
a. growth hormone b. estrogen c. insulin d. glucagon e. testosterone
Biology & Microbiology