Which of the following is TRUE about unhealthy sperm?
A) Most damaged sperm do not survive the long journey to the egg.
B) Nature rarely selects out unhealthy sperm.
C) Sperm is unaffected by toxic substances.
D) Cocaine destroys the mobility of sperm cells.
A) Most damaged sperm do not survive the long journey to the egg. In most cases, when toxic substances affect sperm cells, the damaged sperm do not survive the long journey to the egg.
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Marco is a teenager and is arguing with his father about borrowing the car for Friday night. Out of frustration Marco states, "Dad, you don't know what it feels like to be a teenager
You have no clue what about what I'm going through, and how not having a car on Friday night is going to kill my social life. I swear, no one will be drinking at the party. Why don't you believe me?" Which of the following best describes the cognitive limitation Marco is experiencing? a. imaginary audience b. personal fable c. mnemonic device d. egocentrism
What happens to most people who embrace a strategy to lose weight?
a. They end up gaining that weight back and generally gain more weight. b. They are likely to keep that excess weight off permanently. c. They are not likely to ever lose any weight. d. They might lose weight if they are paid to do so.