Which theory was helpful to Darwin in the formulation of his theory of evolution?

a. catastrophism
b. inheritance of acquired characteristics
c. uniformitarianism
d. continental drift
e. special creationism


ANSWER: c

Biology & Microbiology

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Mycobacterium fortuitum, Mycobacterium chelonae, and Mycobacterium abscessus are:

a. responsible for approximately 90% of clinical mycobacterial disease. b. unable to grow on routine bacteriologic media. c. gram-negative rods resembling Escheri-chia coli on Gram stain. d. slow growers requiring a minimum of 14 days to grow.

Biology & Microbiology

While touring a farm, the farmer tells you that she uses cytokinin to increase crop productivity. But, from biology class you know that cytokinin alone has no effect on parenchyma cells. What other substance is the farmer most likely using in conjunction with cytokinin?  

A.  auxin B.  abscisic acid C.  strigolactones D.  ethylene E.  suberin

Biology & Microbiology

When making scientific decisions in one's life, it is best to ask questions, gather and evaluate information and evidence, and carefully consider the sources of the material. This process is called ________

Fill in the blank(s) with correct word

Biology & Microbiology

How many domains contain prokaryotic organisms?

A) One B) Two C) Three D) Four

Biology & Microbiology