Why did primates first evolve shoulders with an extensive range of motion?
a. To manipulate tools
b. For predation
c. For physical protection
d. For manipulating food
e. For climbing in trees
e
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When placed into a hypertonic solution, a bacterial cell will:
A) take in more water than it releases. B) lyse. C) shrink. D) swell.
The outcome of an infection is called a(n) ________
Fill in the blank(s) with correct word
Plague transmitted by a flea is an example of
a. Direct contact. b. Droplet transmission. c. Fomite. d. Vector. e. Vehicle transmission.
A typical G1 nucleus is 2n and contains 2C (two complements) of DNA. Which of the following is true?
A) A cell in prophase is 2n and contains 4C of DNA. B) A cell in metaphase is 2n and contains 2C of DNA. C) A cell in G2 is 4n and contains 2C of DNA. D) A prophase cell is 4n and contains 4C of DNA. E) A cell in prophase is 2n and contains 2n of DNA.