When a population is greatly reduced in size and then increases again, there is likely a reduction in genetic diversity within the population. What is this phenomenon called?
a. gene flow
b. bottleneck effect
c. founder effect
d. genetic drift
e. effective population size
B
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The female gametophyte in flowering plants usually consists of ____
a. a complete pistil b. seven cells embedded in floral tissues c. a single ovary d. a seed e. shoot parts bearing female flowers
In which way are photosynthesis and cellular respiration related?
a. They both store heat. b. They both release oxygen. c. They both store energy. d. They both use the waste material of the other.
What is meant by SINE in terms of chromosome structure? By LINE? Why are they called "repetitive"?
What will be an ideal response?
Receptors for neurotransmitters are of primary functional importance in assuring one-way synaptic transmission because they are mostly found on the _____
A) axonal membrane B) axon hillock C) postsynaptic membrane D) mitochondrial membrane E) presynaptic membrane