DNA is composed of building blocks called _____.

Fill in the blank(s) with the appropriate word(s).


Answer: Nucleotides

Biology & Microbiology

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Among the organisms listed here, which are thought to be the closest relatives of fungi?

A) animals B) vascular plants C) mosses D) brown algae E) slime molds

Biology & Microbiology

In a chemical reaction, if the reactants have more energy than the products, ____

a. there will be a net release of energy b. there will be a net loss of energy c. the activation energy will be very high d. the activation energy will be very low e. more bonds were made than were broken

Biology & Microbiology

Uracil can pair with

a. ribose. b. adenine. c. cytosine. d. thymine. e. guanine.

Biology & Microbiology

The lectin pathway for complement action is initiated by

A) mannose on host membranes. B) mannose on the surface of microbes. C) lectins of the microbe. D) gram-negative cell walls. E) gram-positive cell walls.

Biology & Microbiology