When a membrane is at rest, what attracts sodium ions to the inside of the cell?
A. An electrical gradient
B. A concentration gradient
C. Both an electrical gradient and a concentration gradient
D. Neither an electrical gradient nor a concentration gradient
Answer: C
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If you wanted to compare the personality of one country versus another, why is it necessary to get a representative sample of the whole country?
a. Population density varies from one part of the country to another. b. All people should think they had an equal chance to participate in the study. c. Personality varies, on average, from one part of the country to another. d. Research grants require researchers to treat all areas of the country equally.
An adolescent's social rank held within a group is referred to as
A) seniority. B) ego-integrity. C) status. D) role.
Sexual contact due to physical force of psychological coercion that may or may not involve penetration is known as
A) rape. B) sexual assault. C) sexual harassment. D) date rape.
Programs like Fast Track improve children's lives (and the lives of people around them), but unfortunately they are NOT cost-effective
Indicate whether the statement is true or false