Where is the cardiovascular control center?

A) pons
B) hypothalamus
C) adrenal medulla
D) adrenal cortex
E) medulla oblongata


Answer: E) medulla oblongata

Biology & Microbiology

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Normal fruit flies have red eyes. Flies with mutations that block the function of the X-linked white gene have white eyes. The wild-type allele is completely dominant to mutant alleles. A white-eyed female fruit fly is mated to a red-eyed male. One of their hundreds of female progeny is white-eyed. This white-eyed daughter likely arose from nondisjunction of the sex chromosomes during ________ in the ________.

A) meiosis I; mother B) meiosis II; mother C) meiosis I; father D) meiosis II; father E) meiosis I or II; mother

Biology & Microbiology

Whatever the motivation of self-sacrificing behavior

on the part of nonhuman animals is, we have no evidence that it is a. genetic. b. the result of selection. c. derived from conscious reasoning. d. a result of dominance hierarchy. e. related to species-survival strategies.

Biology & Microbiology

Give an example for each of the following types of communication within social groups: alarm calls, alarm pheromones, trail pheromones, and dance language.

What will be an ideal response?

Biology & Microbiology

Who of the following is credited with developing and documenting the first vaccination procedure against smallpox?

A. Koch B. Pasteur C. Jenner D. Lister

Biology & Microbiology