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TLS Online TPP Program

#Question id: 770

MicroRNAs contribute to the regulation of gene expression through:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. acting as an enhancer in the transcription process by binding to the promoter;

  2. inhibiting translation by binding to the 3'end of mRNA;

  3. enhancing translation by binding to the TATA box;

  4. enhancing translation by binding to the 5'end of mRNA.

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TLS Online TPP Program

#Question id: 544

#Unit 1. Molecules and their Interaction Relevant to Biology

One of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc deficiency, when the enzyme may lack zinc, it would be referred to as the:
TLS Online TPP Program

#Question id: 545

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following is not among the six internationally accepted classes of enzymes?
TLS Online TPP Program

#Question id: 546

#Unit 1. Molecules and their Interaction Relevant to Biology

Enzymes are potent catalysts because they:
TLS Online TPP Program

#Question id: 547

#Unit 1. Molecules and their Interaction Relevant to Biology

The role of an enzyme in an enzyme-catalyzed reaction is to:
TLS Online TPP Program

#Question id: 548

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following statements is true of enzyme catalysts?
TLS Online TPP Program

#Question id: 550

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements is false?