Enzymes work by _____.

a) lowering the activation energy of a reaction and thus speeding up the reaction
b) changing the free energy of a reaction and thus speeding up the reaction
c) raising the activation energy of a reaction and thus speeding up the reaction
d) lowering the delta G of a reaction and thus speeding up the reaction
e) raising the delta g of a reaction and thus speeding up the reaction


Ans: a) lowering the activation energy of a reaction and thus speeding up the reaction

Biology & Microbiology

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a. Asia b. Africa c. South America d. North America e. Europe

Biology & Microbiology

________ can behave as an enzyme and may have been the first macromolecule leading to the first cells

Fill in the blank(s) with correct word

Biology & Microbiology

Which microscope takes advantage of differences in the refractive indexes of cell structures?

A) compound light microscope B) phase-contrast microscope C) darkfield microscope D) fluorescence microscope E) electron microscope

Biology & Microbiology

The classification system includes the domain Archaea. What characteristic would NOT be found in an organism in this domain?

A) a cell membrane B) a set of genetic instructions C) a nucleus D) a cell wall

Biology & Microbiology