True or False: Even when a gene or operon is "fully repressed," some basal level of transcription still occurs

a. TRUE
b. FALSE


Answer: A

Biology & Microbiology

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A severe drought is an example of a density- ____ factor that can influence population size, whereas the availability of nest sites is an example of a density- ____ factor

Fill in the blank with the appropriate word.

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Which bones make up the sole of the foot?

a. scapula b. sternum c. patella d. metacarpals e. metatarsals

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What signal, when present at the ribosome, causes protein synthesis to end?

A) DNA B) tRNA C) a stop codon D) RNA polymerase

Biology & Microbiology

Identify the bacterium listed below which does NOT form endospores.

A) Bacillus anthracis B) Clostridium perfringens C) Clostridium botulinum D) Staphylococcus aureus

Biology & Microbiology