In DNA transcription, a promoter is _____.
A) a start signal
B) a DNA base sequence
C) the location that binds RNA polymerase
D) all of the choices
Answer: D) all of the choices
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What is the sequence of the last three nucleotides of all mature tRNA molecules?
A. ACC B. CCA C. TGG D. GGT
Scientific theories are of fundamental importance in science. Explain the difference between the term
"theory" as employed in science versus "theory" as employed in everyday language
What will be an ideal response?How do silk moths attract mates?
A) The females flit around the males in an elaborate dance. B) They build elaborate nests. C) The females secrete pheromones to attract males. D) The males sing a high-pitched song to attract the females. E) The males turn bright red as a visual signal.
Histones are
A. Found in polyribosomes B. Enzymes found in lysosomes C. Proteins of the cytoskeleton D. Proteins associated with DNA in the nucleus E. On the surface of rough endoplasmic reticulum