When certain hormones are added to the uterus, they induce thickening in the cells lining its walls. Which of the following hormones is likely to be responsible for this change?
a. estrodiol
b. testosterone
c. progesterone
d. follicle-stimulating hormone
Ans: c. progesterone
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The Great Dane and the Chihuahua are both domestic dogs (the same species), but mating between them is limited because of
A) hybrid infertility. B) hybrid inviability. C) geographic isolation. D) mechanical incompatibility. E) behavioral isolation.
What characteristics make bacteria like E. coli attractive as model organisms?
A) short generation time, simple genome relative to to that of humans, easily mutagenized, haploid, gene control mechanisms identical to eukaryotes B) short generation time, simple genome relative to to that of humans, easily mutagenized, haploid C) short generation time, genome as complex as that of humans, easily mutagenized, haploid D) short generation time, simple genome relative to to that of humans, easily mutagenized, diploid
What does the term vector mean in the ?eld of biotechnology?
What will be an ideal response?
The process whereby repeated, short stimuli provided to a hippocampal neuron have the effect of strengthening the synapse it makes with other neurons is specifically referred to as
A. long-term potentiation. B. short-term potentiation. C. neurotransmission. D. synaptic reuptake. E. None of these choices are correct.