Consider the scale up of a fermentation from a 10 L to 10,000 L while maintaining geometric similarity. Agitation speed was maintained at 500 rpm in the 10 L fermenter. If scale up is done based on constant tip speed, then the agitation speed in the larger reactor should be ………….rpm

TLS Online TPP Program

#Question id: 198

#Unit 1. Structure and Function of Biomolecules

NAD and NADP dependent dehydrogenases catalyze substrates by transferring ________ to  C-4 of NAD+ and NADP+.

TLS Online TPP Program

#Question id: 199

#Unit 1. Structure and Function of Biomolecules

The ʺ+ʺ sign in NAD+ indicates that

TLS Online TPP Program

#Question id: 200

#Unit 1. Structure and Function of Biomolecules

When NAD+ is reduced, the UV absorbance at 340 nm

TLS Online TPP Program

#Question id: 201

#Unit 1. Structure and Function of Biomolecules

The product(s) of lactate dehydrogenase under anaerobic conditions is (are)

A) pyruvic acid.

B) NAD+.

C) NADH.

TLS Online TPP Program

#Question id: 202

#Unit 1. Structure and Function of Biomolecules

Unlike NADH and NADPH, Which of the following is correct for FAD and FADH

A) donate one electron at a time.

B) donate one or two electrons at a time.

C) do not become positively charged.

TLS Online TPP Program

#Question id: 203

#Unit 1. Structure and Function of Biomolecules

Which of the following two-electron transfer reactions can be linked to one-electron transfer reactions by

A) formation of semiquinones.

B) a [Fe-S] cluster.

C) NADH and NADPH.