The region at which the RNA polymerase binds is the ________ region.

A. promoter
B. trailer
C. leader
D. coding


Answer: A

Biology & Microbiology

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The interlocking ‘armor’ of proteins that protect a protist is referred to as which of the following?

a. pili b. spiricles c. capsules d. pellicles

Biology & Microbiology

Nonfunctional copies of normal genes, which lack both introns and promoters, and are important in estimating evolutionary ages of phylogenetic relationships, are ________

A) transgenes B) retrotransposons C) processed retrogenes D) processed pseudogenes E) duplicated pseudogenes

Biology & Microbiology

What is being described? DNA sequence in front of the genes that determines the start of transcription

What will be an ideal response?

Biology & Microbiology

Many strains of E. coli are able to grow on minimal media which consists only of a single sugar, usually glucose, and inorganic salts to provide nitrogen, sulfur, phosphorous and trace nutrients. What does this tell you about E. coli's biosynthetic

capabilities? A) E. coli will use salvage pathways to make nucleotides. B) All amino acids are "essential" to E. coli. C) E. coli will be unable to perform amination. D) E. coli can funnel intermediates from glycolysis, the intermediate step, and the Krebs cycle to synthesize amino acids, fatty acids, glycerol, and nucleotides. E) E. coli will be unable to build the peptidoglycan it needs for its cell wall.

Biology & Microbiology