By definition, a nerve is
1.a bundle of axons.
2.a single extension of a neuron.
3.the same as a neuron within the central nervous system.
4.a dendrite.
5.a fiber more than 10 inches in length.
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In eukaryotic cells, the oxidation of pyruvate occurs in:
A. the cytoplasm. B. the nucleus. C. the matrix of the mitochondria. D. the endoplasmic reticulum. E. vacuoles.
A pinniped is observed as lacking external ears, and it appears to propel through the water using its hind flippers only. What kind of pinniped might this be?
a. Phocids b. Sirenia c. Eared seals d. Walruses
Which activity is an example of biotechnology?
A. Egyptians using moldy bread on wounds B. Escherichia coli producing human insulin C. Public health officials monitoring diseases in a community D. A microbiologist using the microscope to view bacteria E. Bacteria in the soil secreting an antibiotic to kill competitors
One reason it is important to understand community ecology is to
A) understand the life cycle of fish, such as cichlids. B) identify stomach microbes. C) aid in conservation of endangered species.