Although both sexes experience changes in muscle tissue and body fat, the ratio of muscle to body fat is:
A. greater in boys than girls.
B. greater in girls than boys.
C. about the same in both genders.
D. greater in early-maturing girls than in late-maturing boys.
A. greater in boys than girls.
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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
The individual's belief that he or she can execute the behavior required to produce certain response consequences is called a(n):
a. efficacy expectation b. outcome c. stimulus d. response outcome
Cocaine and amphetamine both increase dopamine action. Cocaine specifically ___________________ and amphetamine _____________
a. blocks the dopamine transporter; stimulates the autoreceptor b. stimulates the release of dopamine; stimulates the autoreceptor c. blocks the dopamine transport ; stimulates the release of dopamine d. stimulates the release of dopamine; blocks the dopamine transporter
Differentiategross-motor and fine-motor development, giving examples of each. Explain dynamic systems theory of motor development
What will be an ideal response?