Genetic engineering started with
a. bacteria.
b. viruses.
c. fungi.
d. plants.
e. animals.
A
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The opossum and kangaroos are examples of living members of which of the following mammalian
lineages?
a. Strepsirhini b. monotremes c. Rodentia d. Haplorhini e. marsupials
The cells lining the air sacs in the lungs make up a _____
A) simple squamous epithelium B) stratified squamous epithelium C) pseudostratified ciliated columnar epithelium D) simple columnar epithelium
You are observing a single cell under a microscope. You go home for the night, and the next day you see four cells. The four cells look similar, and when you stain them with a dye that binds to DNA they all appear to contain the same amount of DNA as the
original cell. What likely happened overnight? A) The single cell divided once to form four new cells via asexual reproduction. B) The single cell divided once to form four new cells via sexual reproduction. C) The single cell divided to form two new cells, and the two new cells each divided to form four total cells, all by asexual reproduction. D) The single cell divided to form two new cells, and the two new cells each divided to form four total cells, all by sexual reproduction.
Which of the following hormones is released to correct a hypoglycemic state?
a. Insulin b. Testosterone c. Estrogen d. Glucagon