What is a zygote?
A. Male sperm cell
B. Pair of chromosomes
C. 100-cell organism
D. Fertilized egg
Answer: D
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If you have a psychological dependence on something, then quitting it will cause intense withdrawal symptoms
a. True b. False Indicate whether the statement is true or false
Regarding mental disorders and physical health,
a. they seem to be unrelated. b. mental disorders have been associated with physical health decline. c. both seem to be entirely hereditary. d. the more disorders there are in a culture, the lower the health of that culture.
How long can alcohol be detected in the system by using a drug test?
a. up to one day b. up to one week c. up to one month d. none of the above
What percentage of STIs in the United States occur in people who are aged 15 to 24 years?
a. 10% b. 30% c. 50% d. 70%