Genetic variability will not occur among offspring if crossing over does not occur during prophase I of meiosis.
Indicate whether the statement is true or false
Ans: False
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If the K+ channels of an excitable plasma membrane were blocked by the action of a drug, which of the
following would be disrupted?
a. repolarization b. depolarization c. hyperpolarization d. repolarization and depolarization e. repolarization and hyperpolarization
What is the rat to human ratio in most major
cities?
a. 10:1 b. 20:1 c. 1:10 d. 1:25 e. 1:100
Synaptic plasticity is the ability of the:a
synaptic connections to change in response to experience. b. neurons to bend when the body moves. c. glial cells to move through the nervous system. d. neuron cell bodies to produce new dendrites. e. neurotransmitters to remain in the synapse for a longer time
If the residuals of a regression model, Yi = B + MXi + Ei, are such that their variances vary across all values of X, then they are said to be:
A. heteroscedastic. B. endogenous. C. homoscedastic. D. exogenous.