Which complementary base pairings occur between DNA and RNA?

A) A to T and C to G
B) T to C and A to G
C) G to C and A to U
D) C to U and A to T


C

Biology & Microbiology

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Which of the following is included as part of the Eubacteria?

A) methanogens B) thermacidophiles C) cyanobacteria D) halobacteria E) sulfobacteria

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Low-growing, hardy plants of the __________ occur

at high latitudes, where there is a layer of __________. At high altitudes, similar plants grow as __________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

What percentage of the urea filtered by the kidneys is excreted in the urine?

a. 10 percent b. 20 percent c. 50 percent d. 75 percent e. 100 percent

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A bryophyte having a single large hloroplast in each cell belongs to the phylum:a

Hepatophyta. b. Pterophyta. c. Lycopodiophyta. d. Anthocerophyta. e. Bryophyta.

Biology & Microbiology