The base of the food web in the deep sea is:
a. phytoplankton.
b. algae.
c. seagrasses.
d. sinking dead matter.
e. viruses.
D
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When DNA with variable number tandem repeats (VNTRs) is sequenced and visualized on a gel, the resulting fragments separate according to their:
A. A-T content. B. G-C content. C. color. D. size. E. shape.
A(n) _____ is dissolved in a solvent
a. molecule c. salt b. solute d. acid
A primary difference between a normal cell and a cancerous cell is
a. the cell must be directly exposed to a carcinogen. b. the cell must lose normal cell division controls c. the cell must go through mitosis at least 25 times. d. the cell must be located in either connective tissue or muscle. e. the cell must be located in epithelial tissue..
The Enterobacteriaceae do not produce oxidase compared to the pseudomonads that do produce oxidase.
a. true b. false