Tryptophan, the end-product of the enzymes encoded by the trp operon, therefore acts as a co-repressor and inhibits its own synthesis through:

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#Question id: 11670

#SCPH28 | Zoology

A primary reason that the kidneys have one of the highest metabolic rates of all body organs is that ________.

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#Question id: 3910

#SCPH28 | Zoology

RNA polymerase uses the __ strand of DNA in transcription.

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#Question id: 10942

#SCPH28 | Zoology

A 45-year-old man presents to the emergency room with a 2-week history of diarrhea that has gotten progressively worse over the last several days. He has minimal urine output and is admitted to the hospital for dehydration. His stool specimen is positive for parasitic eggs. Which type of WBCs would have an elevated number?

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#Question id: 5077

#SCPH28 | Zoology

Humans and mice heterozygous for loss-of-function mutations in Pax6 have:

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#Question id: 3550

#SCPH12 I Genetics

A man with type A blood and colorblindness marries a woman with type A blood and normal. Their first female child has type O blood and colorblindness. What is the probability of next female child will be A blood group and colorblindness?