TLS Online TPP Program

#Question id: 780


Drosha and Pasha:

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. are found in introns of transcribed genes;

  2. participate in mRNA degradation;

  3. cleave individual stem-loops;

  4. convert single-stranded to double-stranded to ssRNA.

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TLS Online TPP Program

#Question id: 40

#Unit 1. Molecules and their Interaction Relevant to Biology

Given that the standard free-energy change for the reaction glucose + Pi → glucose 6-phosphate is 13.8 kJ/mol, and the standard free-energy change for the reaction ATP → ADP + Pi is −30.5 kJ/mol, what is the free-energy change for the reaction glucose + ATP → glucose 6-phosphate + ADP?

TLS Online TPP Program

#Question id: 861

#Unit 1. Molecules and their Interaction Relevant to Biology

Alexander Varshavsky discovered, the half-lives of many cytoplasmic proteins vary with the identities of their N-terminal residues via the so-called N-end rule:-

A. Destabilizing N-terminal residues Asp, Arg, Leu, Lys, and Phe have half-lives of

i. Only 2 to 3 minutes,

B. Stabilizing N-terminal residues Ala, Gly, Met, Ser, Thr, and Val have half-lives of

ii. >10 hours in prokaryotes

iii. >20 hours in eukaryotes.

TLS Online TPP Program

#Question id: 9219

#Unit 9. Diversity of Life Forms

If the sex ratio in a population is significantly different from 50:50, then which of the following statements will always be accurate?

TLS Online TPP Program

#Question id: 211

#Unit 1. Molecules and their Interaction Relevant to Biology

The degradation of aspartic acid to oxaloacetic acid and NH4+ is catalyzed by an enzyme with ________ as its prosthetic group.

TLS Online TPP Program

#Question id: 26977

#Unit 10. Ecological Principles

Individuals reproduce repeatedly and at any time of the year, that type of organisms are____