In the figure above, representing transcription, the item labeled "E" is

a. the nontemplate strand.
b. RNA-DNA hybrid.
c. the template strand.
d. DNA double helix.
e. the RNA copy.


C

Biology & Microbiology

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A horticulturist is breeding a new variety of houseplant in which two genes control leaf color. G (allele for green) is dominant to g (yellow) and B (second allele for green) is dominant to b (yellow). The recessive homozygous condition of either gene will mask a dominant allele. What color is a plant with the genotype GgBb? rev

A. green B. yellow C. an intermediate yellow-green D. variegated (yellow and green spots or stripes) E. The color cannot be determined with the information given.

Biology & Microbiology

Chlorophyll a appears green to the human eye because it ________

a. absorbs green light b. absorbs violet and red light c. reflects blue light d. reflects violet and red light

Biology & Microbiology

The sum of all chemical reactions in an organism is called ________

a. catabolism b. anabolism c. exchange reaction sum d. metabolism

Biology & Microbiology

Purines and pyrimidines are precursors for synthesis of ________.

A. nucleic acids B. fatty acids C. proteins D. peptidoglycan

Biology & Microbiology