Practice Questions

TLS Online TPP Program

#Question id: 15443

The caspases have which amino acid residues in their catalytic site and what is the cleavage site of these effector proteases;

#Unit 4. Cell Communication and Cell Signaling

Aspartate residue in the catalytic site and cleave proteins at sites just N-terminal to cysteine residues.
Cysteine residue in the catalytic site and cleave proteins at sites just C-terminal to aspartate residues.
Glutamine residue in the catalytic site and cleave proteins at sites just C-terminal to cysteine residues.
Isoleucine residue in the catalytic site and cleave proteins at sites just N-terminal to aspartate residues.

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TLS Online TPP Program

#Question id: 26498

#Unit 3. Fundamental Processes

Which of the following shows correct bond pattern in Lactose and Allolactose

TLS Online TPP Program

#Question id: 26497

#Unit 3. Fundamental Processes

There are three type of Splicing signals 1. Major U2-type or GU-AG introns 2. Minor U12-type or AU-AC introns & 3. Minor U12-type with GU-AG introns (hybrid type), which of the following is responsible for the recognition of branch point sequence UACUAAC?

TLS Online TPP Program

#Question id: 26496

#Unit 3. Fundamental Processes

Two transesterification reactions takes place for 2 exon -1 intron configuration. Choose the correct statement

a. First transesterification is always caused by exon 1 -3’OH

b. second transesterification is catalysed variably either by external G or branch point while .

c. First transesterification is catalysed variably either by external G or branch point while

d. second transesterification is always caused by exon 1 -3’OH.

TLS Online TPP Program

#Question id: 26495

#Unit 3. Fundamental Processes

Which of the following is (are) required for splicing to occur?

a. two transesterification reactions

b. intact, naturally occurring introns

c. formation of a lariat like structure

d. a branch-point G residue

TLS Online TPP Program

#Question id: 26494

#Unit 3. Fundamental Processes

Class and abundance is given Match them correctly

TLS Online TPP Program

#Question id: 26490

#Unit 3. Fundamental Processes

Choose which of the following factors are involved in the Regeneration of CTD tail