The per capita growth rate (r) is ____ per mouse per month in a population of 1,000 mice where 500 mice are born
and 400 mice die monthly.
a. 0.1
b. 0.2
c. 0.3
d. 0.4
e. 0.5
ANSWER: a
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Acids are compounds that:
a. can bind hydrogen ions. b. can release hydrogen ions. c. are pH 8 or above. d. contain hydrogen and hydroxide ions equal in number. e. raise pH.
The two broad classes of cells in the nervous system include 1. those responsible for information processing, and 2. those providing mechanical and metabolic support.These two categories of specialized cells are called
A. microglia and Schwann cells. B. Schwann cells and glial cells. C. neurons and glial cells. D. neurons and fibrocytes. E. astrocytes and Schwann cells.
The outermost electron ________ of an atom can interact with other atoms to form a molecule
Fill in the blank(s) with correct word
A prion is a(n)
a) abnormally folded protein. b) protein subunit. c) form of a bacterium. d) viral particle.