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TLS Online TPP Program

#Question id: 3945

About 30% of point mutations (substitutions) that occur in coding regions of DNA are harmless. Why?

#Unit 3. Fundamental Processes

  1. because only 30% of the DNA is actually coding for amino acids

  2. because only 70% of the DNA is actually coding for amino acids

  3. because most amino acids are specified by several codons that differ at the third position

  4. all of the above

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TLS Online TPP Program

#Question id: 11520

#Unit 2. Cellular Organization

For the SERCA pump, how many Ca2+ ions moves across the membrane during each catalytic cycle ?
TLS Online TPP Program

#Question id: 10262

#Unit 1. Molecules and their Interaction Relevant to Biology

Linus Pauling has given electronegativity as
TLS Online TPP Program

#Question id: 10452

#Unit 6. System Physiology – Plant

Phototropin has two LOV domains and a kinase domain, separated by an α-helical region (Jα). In the absence of light, which one of the following is correct prediction?
TLS Online TPP Program

#Question id: 24595

#Unit 2. Cellular Organization

Which of the following will show highest migratory distance on electrophoresis
TLS Online TPP Program

#Question id: 12455

#Unit 10. Ecological Principles

When does the growth rate of a natural population equal zero?