Which number identifies the site where the transcriptional complex begins to form?
a. 1
b. 2
c. 3
d. 4
e. 5
D
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What color is a plant with the genotype GgAa?
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. 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.
What is a matrix? What materials are in it?
What will be an ideal response?
Coal deposits formed when forested areas were inundated with water and the __________ conditions
that resulted promoted incomplete decomposition of the vegetation into coal. a. aerobic b. anaerobic c. oxidizing d. desiccating e. saline
Because a steroid hormone is nonpolar, it ____.
A. must be transported across a cell membrane with a receptor molecule B. is equipped with specific receptor molecules C. can dissolve in blood D. can diffuse directly across a cell membrane E. is an inhibiting hormone