In eukaryotes, specific transcription factors have two distinct domains:
A. a DNA-binding domain and a RNA-binding domain.
B. a DNA-binding domain and an activation domain.
C. a DNA-binding domain and a repressor domain.
D. a DNA-binding domain and an enhancer domain.
E. a DNA-binding domain and an operator domain.
B. a DNA-binding domain and an activation domain.
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Why might these species be the first to recover?
a. Grasses were not eliminated by the fire, prairie dogs and antelope have mobility. b. Grasses have a short generation time, as do prairie dogs and antelope. c. Grass reproduction is stimulated by fire, and prairie dogs and antelope both feed on grasses. d. None of the above.
Food energy is measured in ____
a. kilograms b. kiloliters c. kilometers d. kilocalories e. kilojoules
Which type of animal would you dissect to locate a nephridium?
A) Reptile B) Bird C) Insect D) Earthworm E) Flatworm
The difference between deoxyribose and ribose sugars is...?
a. One sugar is single-stranded b. DNA is a 5-carbon ring, whereas RNA is a 6-carbon ring c. A carboxylic acid group is present on the 2' carbon of DNA d. A hydroxyl group is present on the 2' carbon of RNA