Mr. jacobson, a tax accountant, comes to the clinic complaining of feeling very "stressed out" and anxious. he admits to drinking 10 to 12 cups of coffee daily. his doctor (knowing that caffeine alters the threshold of neurons) suggests he reduce his intake of coffee. what is caffeine's effect on the threshold of neurons, and how might this affect explain mr. jacobson's symptoms?

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.

Albinism is an autosomal recessive condition. which circle graph above shows the genotype probability when an albino female mates with a male that is heterozygous for the albinism trait? answer choice f answer choice g answer choice h answer choice j