A(n) ________ is like an underwater geyser where hot mineral-rich water streams out of an opening in the rocky bottom

a. meteorite
b. volcano
c. atoll
d. hydrothermal vent
e. crevice


d

Biology & Microbiology

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Which of the following contribute(s) to the differences between the Archaea and the bacteria?

A. Archaea differ from bacteria in their tRNA composition, ribosome structure, and antibiotic sensitivity. B. Archaea have isopranyl glycerol ethers rather than fatty acid esters in their membrane lipids. C. Archaea lack muramic acid. D. All of the choices are correct.

Biology & Microbiology

RNAi is commonly used in which experimental strategy?

a. gene overexpression b. DNA sequencing c. gene knockout d. gene knockdown e. microarray analysis

Biology & Microbiology

Using PGD to screen for embryos that would become suitable donors for siblings is illegal under any

circumstance. Indicate whether the statement is true or false.

Biology & Microbiology

The brain interprets the ________ of light on the basis of the number and frequency of action potentials it receives from light receptors in the retina

Fill in the blank(s) with correct word

Biology & Microbiology