Fumarate production is an oxidation reaction similar to the reactions that produce ?-ketoglutarate, and oxaloacetate, but with one key difference. What is it?

a. Fumarate production releases a water molecule.
b. Carbon dioxide is released in this reaction.
c. This reaction reduces FAD instead of NAD+.
d. Fumarate production occurs twice per cycle.


c. This reaction reduces FAD instead of NAD+.

Biology & Microbiology

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Which of the following is true of the integration of a viral genome into the host chromosome?

A. Integration begins the process of host chromosome degradation. B. Integration of the viral genome is a form of site-specific recombination. C. The enzymes that are used in integration are nonspecific for the virus and its host. D. All of the choices are correct.

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DNA barcoding:

A: is a type of reverse genetics. B: is the most commonly used type of DNA fingerprinting used by the FBI. C: attempts to provide a unique sequence identifier for all life forms. D: is based mainly on repetitive DNA. E: is used for prenatal genetic screening.

Biology & Microbiology

Integral proteins with carbohydrates (sugars) attached that stick out on the exterior surface of cello membranes help recognize "self" and are called ______________.

a) amino acids b) lipoproteins c) glycoproteins d) monosccharides

Biology & Microbiology

What primarily determines the shape of animal cells, which lack cell walls?

A) Ribosomes B) Cytoskeleton C) Nucleus D) Cytoplasm E) Endoplasmic reticulum

Biology & Microbiology