An enzyme synthesized in the laboratory is found to have little activity when compared to the enzyme extracted from cell culture. Both enzymes were examined and have identical amino acid composition

What is the best explanation for the lack of activity of the synthesized enzyme?

A) The van der Waals radius was altered during laboratory synthesis.
B) The synthetic enzyme was not made of amino acids.
C) The ATP required for self-assembly was present in the cell extract but not in the laboratory synthesis.
D) Denaturation of the synthesized enzyme was not complete.
E) The synthesized enzyme was not folded correctly because molecular chaperones were not present.


Answer: E

Biology & Microbiology

You might also like to view...

Which is the closest living nonvascular relative to vascular plants?

a. hornworts b. liverworts c. mosses d. ferns e. red algae

Biology & Microbiology

Four of the five plant activities listed below are

affected by phytochrome. Select the exception. a. phototropism b. stem elongation c. seed germination d. leaf movement e. formation of flowers, fruits, and seeds

Biology & Microbiology

Kaposi’s sarcoma is characteristic of people who

have a. AIDS. b. allergic reactions. c. a hypersensitive immune system. d. Graves’ disease. e. severe allergies.

Biology & Microbiology

An RNA molecule that can catalyze chemical reactions is called a_____.

A) stem-loop B) ribozyme C) protein D) Tetrahymena

Biology & Microbiology