Activation energy is necessary for all ________ reactions

A) endergonic B) coupled C) chemical D) exergonic


C

Biology & Microbiology

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What enzyme catalyzes the attachment of amino acids to tRNA molecules?

A. helicase B. topoisomerase C. aminoacyl-tRNA synthetase D. ribosome E. translation factor

Biology & Microbiology

What site on a bacterial operon segment of a chromosome is adjacent to or overlaps with a promoter?

a) repressor b) structural genes c) operator d) activator e) terminator

Biology & Microbiology

Members of the ________ are Gram-positive bacteria that have a distinctive process for cell separation known as "snapping division."

A. Actinomycetes B. Clostridium C. Corynebacterium D. Mycoplasma E. Rhizobium

Biology & Microbiology

In addition to being light and abundant, the capacity of the carbon atom to form _____ bond(s) makes it critical for the chemistry of life.

A) 1 B) 2 C) 3 D) 4

Biology & Microbiology