Four of the five answers listed below are actions mediated by the sympathetic nervous system. Select
the exception.
a. pulse increases
b. blood glucose levels drop
c. metabolism increases
d. digestion slows down
e. pupils of the eye dilate
B
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Answer the following statements true (T) or false (F)
1. Viral genomes must always be excised from the bacterial chromosome before viral components can be produced. 2. Viruses infect only eukaryotes. 3. To fit into the nucleiod region, a bacterial chromosome is tightly wrapped around histone proteins. 4. Plasmids replicate independently of the bacterial chromosome
Which is the best example of the results of a
neutral mutation?
a. A new wing color evolves that enables a butterfly to better hide. b. A new wing color evolves that makes a butterfly more noticeable. c. Larger muscles evolve that allow a rabbit to run faster. d. A new wing color evolves that doesn’t affect a butterfly’s ability to hide or make it more noticeable. e. Larger eyes develop that enable a rat to see better at night.
Which of the following is the type of bond holding K+ and I- ions in KI?
A) ionic bond B) covalent bond C) hydrogen bond
Typical fat molecules have __________ tail(s)
a. 1 b. 2 c. 3 d. 4 e. 5