TLS Online TPP Program

#Question id: 28986


Epinephrine is formed by which of the following process ?

#Unit 7. System Physiology – Animal
  1. I- Methylation by phenylethanoalmine-N-methyltransferase in presence of S-adenosylmethionine
  2. II- Methylation S-adenosyl methyltransferase in presence of S-adenosylmethionine

  3. III- Decarboxylation in presence of pyridoxal phosphate

  4. IV- β-hydroxylation in presence of cofactor ascorbate 

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TLS Online TPP Program

#Question id: 4070

#Unit 3. Fundamental Processes

An enhancer

a. can be located upstream of a promoter.

b. can be located downstream of a promoter.

c. can be located a variable distance from the promoter.

d. is always located within 1 kb of the promoter.

e. can be cell-type-specific.

TLS Online TPP Program

#Question id: 4071

#Unit 3. Fundamental Processes

The fact that a specific protein leaves a “footprint” on a DNA molecule is indicative of

a. a lack of interaction between the specific protein and DNA.

b. protection from DNAse by the specific protein.

c. binding of the specific protein to all types of DNA.

d. binding of the specific protein to a specific sequence of DNA.

TLS Online TPP Program

#Question id: 4072

#Unit 3. Fundamental Processes

The C-terminal activation domain of transcriptional activators is capable of

a. binding to DNA. 

b. stimulating transcription.

c. interaction with other transcriptional machinery.

d. functioning in a fusion with a DNA-binding domain from an unrelated transcriptional activator.

TLS Online TPP Program

#Question id: 4073

#Unit 3. Fundamental Processes

The expression of which gene(s) is (are) regulated by promoter proximal pausing?

TLS Online TPP Program

#Question id: 4074

#Unit 3. Fundamental Processes

The promoter sequences of RNA polymerase III-transcribed genes are located

TLS Online TPP Program

#Question id: 4075

#Unit 3. Fundamental Processes

Pre-mRNA molecules

a. exist as free RNA molecules in eukaryotic cells.

b. are associated with an abundant set of nuclear proteins.

c. are mostly located in the cytoplasm.

d. are located in the nucleus.