Practice Questions

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#Question id: 10349

Elevated plastid levels of glutamine stimulate the activity of glutamate synthase (also known as glutamine:2- oxoglutarate aminotransferase, or GOGAT). Given below some of the statements about GOGAT, which one of the following is incorrect?

#SCPH06 I Botany

Plants contain two types of GOGAT; one accepts electrons from NADH, and the other accepts electrons from ferredoxin (Fd)
The NADH type of the enzyme (NADH-GOGAT) is located in plastids of nonphotosynthetic tissues such as roots or the vascular bundles of developing leaves
The ferredoxin-dependent type of glutamate synthase (Fd-GOGAT) is found in chloroplasts and serves in photorespiratory nitrogen metabolism
This enzyme transfers the amide group of glutamate to 2-oxoglutarate, yielding two molecules of glutamine

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#Question id: 16112

#SCPH28 | Zoology

Which of the following is not a heat generating mechanism?

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#Question id: 1045

#SCPH06 I Botany

Why would it be more difficult to treat diseases in humans caused by members of the Eukarya than diseases caused by the Bacteria?

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#Question id: 2077

#SCPH05 I Biotechnology

In receptor-mediated endocytosis, receptor molecules initially project to the outside of the cell. Where do they end up after endocytosis?

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#Question id: 1268

#SCPH06 I Botany

The collagen triple-helix domain

a. is rich in glycine. b. is rich in proline.

c. is rich in hydroxyproline. d. is an alpha helix.

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#Question id: 2705

#SCPH05 I Biotechnology

With respect to end terminal modification of the histone tail which of the following options is true?