Eukaryotic transcription factors:a

are known as CAPs.
b. may be activators or repressors of transcription.
c. are inducers.
d. are corepressors.
e. are also known as enhancers.


b

Biology & Microbiology

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What gene is encoded in the Xic?

A. Xce B. Xist C. Tsix D. None of these

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A random change in allele frequency over time that is brought about by chance alone is known as ____

a. genetic drift b. gene flow c. natural selection d. disruptive selection e. balanced polymorphism

Biology & Microbiology

Why are whole foods better for your health than processed foods?

A) Whole foods contain more sugars and less fiber, so they're more digestible than processed foods. B) Whole foods have been refined to provide the highest possible calorie content. C) Processed foods may contain antioxidants, which can cause disease. D) Processed foods don't contain all the vitamins and minerals found in whole foods.

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Viruses are ________ -coated fragments of DNA or RNA.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology