Small pox ____
a. was the target of the first vaccine
b. is spread by infected cattle
c. is only found in subtropical climates
d. was eradicated by 1850
e. is unrelated to cowpox
ANSWER: a
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Chemical messengers produced by endocrine glands are called
a. agonists b. neurotransmitters c. hormones d. enzymes
Which of the following types of organisms would be most likely to organize its genome into a nucleoid region?
A. fungi B. plants C. protists D. archaea
One day after a biology class four of your friends argue about the difference between phylogeny and systematics. Which friend is right?
A. Friend A states that systematics and phylogenies are really the same, one is more recent than the other, but basically they are the same. B. Friend B says that systematics is the same as cladistics and cladistics is reconstructing clades, which ultimately lead to the development of phylogenies. C. Friend C argues that systematics is the actual collecting and cataloguing of specimens into museums that can be used later by scientists to construct clades and phylogenies. D. Friend D says that the way she remembers is that systematics is the reconstruction and study of phylogenies.
________ is a condition that has a slower than average resting heart rate
a. Atrial fibrillation b. Tachycardia c. Atherosclerosis d. Bradycardia e. Ventricular fibrillation