Four of the five answers listed below are
related by a similar effectiveness. Select the
EXCEPTION.
a. the Pill
b. tubal ligation
c. vasectomy
d. douching
e. IUD
D
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Aminoacyl-tRNA synthetase catalyzes the reaction between the appropriate amino acid and ATP to form an activated amino acid: amino acid + ATP ? aminoacyl-AMP + P-P
Indicate whether the statement is true or false.
Which of the following can be treated post-infection with a vaccine?
a. polio b. HIV c. Ebola d. herpes
The two strands of a DNA double helix are described as running parallel to each other
__________________ Indicate whether the statement is true or false.
Prescription drugs such as Prozac help maintain higher levels of serotonin in the brain. What effect will this have on an individual?
A) It will act as an antidepressant because a lack of serotonin is considered a cause of depression symptoms. B) It will act to suppress impulsive behavior because too much serotonin causes children to act out. C) It will cause a patient to be sleepy because serotonin is essential to a good night's sleep. D) It will cause tetany due to an overproduction of acetylcholine.