________ is used to control transcription of some anabolic pathways involved in amino acid biosynthesis.
A. Catabolite repression
B. Attenuation
C. Induction
D. All of the choices are correct.
Answer: B
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Based on the table above, which of the following statements is correct?
A) The amount of fat and sugar in cookies affects not only the cookies' weight and size but also their moisture. B) The amount of fat, but not of sugar, in cookies affects not only the cookies' weight and size but also their moisture. C) The amount of sugar, but not of fat, in cookies affects not only the cookies' weight and size but also their moisture. D) Fat and sugar do not affect the cookies' weight, size, and moisture.
Cells produced on the inside of the vascular cambium differentiate to form which vascular tissue?
a. cork cambium b. primary phloem c. primary xylem d. secondary phloem e. secondary xylem
A population with five males and five females is an example of
A. age distribution. B. gene flow. C. sex ratio. D. reproductive capacity.