Which type of muscle is responsible for constricting the walls of blood vessels?
a. striated involuntary muscle
b. striated voluntary muscle
c. nonstriated involuntary muscle
d. nonstriated voluntary muscle

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

helicase, i think thats it

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.