Which is true of competitive inhibition?

A. It involves an allosteric enzyme.
B. Substrate and inhibitor both bind to the active site.
C.A sulfa antibiotic is a competitive inhibitor.
D. Mercury is a competitive inhibitor.
E. Substrate and inhibitor both bind to the active site AND a sulfa antibiotic is a competitive inhibitor.

Ans: E. Substrate and inhibitor both bind to the active site AND a sulfa antibiotic is a competitive inhibitor.

Biology & Microbiology

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The famous Cambrian-era fossil deposit known as the Burgess Shale is now estimated to contain fossils of how many animal phyla?

A) None?animals had not appeared at the time. B) just two or three anatomically simple animal phyla C) about the same number as those alive today D) two or three times as many as alive today E) about half as many as are alive today

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Mitotic cells do not divide regularly but can be stimulated to divide when necessary.

a. true b. false

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You add 1000 molecules of radioactive pyruvic acid to eukaryotic cells. Assuming that all these molecules are used in the Krebs cycle and all reducing energy is converted to ATP, how many radioactive ARP molecules will be made?

What will be an ideal response?

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What specifically separates during meiosis II?

A. The genome B. Homologous chromosomes C. The cytoplasm D. Sister chromatids

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