Bacteria and protozoans ____

a. can be either unicellular or multicellular organisms
b. reside solely in oceans
c. are multicellular organisms
d. are unicellular organisms
e. are precursors to cells


d

Biology & Microbiology

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Antidiuretic hormone and oxytocin are

products of a. exocrine glands. b. secretory neurons. c. blood capillaries. d. the anterior pituitary. e. kidney and uterine wall cells, respectively

Biology & Microbiology

Which factor is directly involved in calculating NPP?

A) the change in growth of the human population B) the amount of solar energy converted to chemical energy by plants C) the amount of chemical energy required by plants to support themselves D) the number of births and deaths in a population over one year

Biology & Microbiology

Which of the following is not a way in which humans depart from apes?

A. S-shaped spine B. walking on two legs C. spinal cord exits at the bottom of the skull D. None of the choices are correct.

Biology & Microbiology

Since the botulism toxin is a protein and is sensitive to denaturation, botulism food poisoning could be easily prevented by:

a. administration of antibiotics b. boiling the food prior to consumption c. prevention of fecal contamination d. nothing; botox cannot be neutralized

Biology & Microbiology