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TLS Online TPP Program

#Question id: 11477

How could you genetically modify an animal so that it would distinguish more shades of green?

#XL - T Zoology
  1. Induce genes to produce a greater number of cone cells in the fovea.
  2. Introduce genes for different opsins that respond in the green region of the spectrum.

  3. Introduce genes to produce green fluid in the eyeball, because green fluids will not absorb green light.

  4. Induce increased production of cGMP to increase opening of cGMP-gated sodium channels.
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TLS Online TPP Program

#Question id: 3752

#XL - Q Biochemistry

Which of the following investigators was (were) responsible for the discovery that in DNA from any species, the amount of adenine equals the amount of thymine, and the amount of guanine equals the amount of cytosine?
TLS Online TPP Program

#Question id: 162

#XL - T Zoology

All of the amino acids that are found in proteins, except for proline, contain a(n):
TLS Online TPP Program

#Question id: 1674

#XL - Q Biochemistry

Which of the following statements is TRUE of receptor editing?
TLS Online TPP Program

#Question id: 15340

#XL - S Microbiology

Serrogate light chain formation takes place in 
TLS Online TPP Program

#Question id: 12945

#XL - S Microbiology

It is a PCR based multiplex assay that allows a number of target sites such as deletions, duplications, mutations to be amplified with a pair of primer containing probes.