Bacterial enzymes that are part of a rarely used catabolic pathway are usually organized into a(n) __________

a. inducible operon
b. repressible operon
c. inducible zinc finger
d. repressible leucine zipper
e. constitutive operon


a

Biology & Microbiology

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In a population of grizzly bears, the largest adults are most likely to survive and reproduce, while the smallest adults lose most competitions for resources and produce fewer offspring. This is an example of ________ selection

a. stabilizing b. directional c. disruptive d. sexual

Biology & Microbiology

If R is dominant to r, the offspring of the cross of RR

with rr will a. be homozygous. b. display the same phenotype as the RR parent. c. display the same phenotype as the rr parent. d. have the same genotype as the RR parent. e. have the same genotype as the rr parent.

Biology & Microbiology

These contain enzymes and are the main organelles of intracellular digestion

a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula

Biology & Microbiology

What are traits determined by more than one gene

a. polygenic b. pleiotropy c. codominance d. incomplete dominance

Biology & Microbiology