Which of the following structures is responsible for the control of the heartbeat and blood pressure?
a. pons
b. hypothalamus
c. medulla
d. cerebellum
e. thalamus
C
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A fairly conserved gene is compared between a human, a chimpanzee, a bear and a banana. How
would you expect their DNA sequences to relate? What will be an ideal response?
Generally speaking, when the female gamete (ovum) is fertilized by the male gamete (sperm), a fusion of their nuclei restores the number of chromosomes to:
a) Hardy-Weinberg equilibrium. b) the pre-existing gene frequency in the population. c) the double helix. d) the haploid condition. e) the diploid condition.
An example of a structural polysaccharide is
A) cellulose. B) starch. C) maltose. D) glucose. E) glycogen.
Which arteries deliver blood to the neck, head, and brain?
A. Renal arteries B. Brachial arteries C. Coronary arteries D. Carotid arteries E. Pulmonary arteries