Which of the following is a component of plasma?
a. erythrocytes
b. hemoglobin
c. dissolved gases
d. leukocytes
e. histamine
c
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A linkage map illustrates the exact physical locations of genes on a chromosome
Indicate whether the statement is true or false
When the reticular activating system sends stimuli to the cerebral cortex, a state of ____ results
a. fatigue b. confusion c. alertness
d. anxiety e. sleep
Genetic drift has the strongest effects in populations that are:
a) in Hardy-Weinberg equilibrium. b) small. c) characterized by extensive gene flow. d) undergoing natural selection. e) large.
Which of the following statements regarding mitosis and meiosis is false?
A) In animals, meiosis only occurs in the ovaries and testes. B) All sexual life cycles involve an alternation of diploid and haploid stages. C) Mitosis produces daughter cells with half the number of chromosomes as the parent cell. D) A normal human zygote has 46 chromosomes.