TLS Online TPP Program

#Question id: 15181


In which kind of electrophoresis, analyte can move in either direction?
1. Gel Electrophoresis
2. PAGE
3. Free Solution
4. Capillary

#XL - Q Biochemistry
  1. 1 and 3
  2. 3 and 4
  3. Only 4
  4. Only 2
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TLS Online TPP Program

#Question id: 9592

#XL - Q Biochemistry

The function of light is to excite a specialized chlorophyll in the reaction centre either by Direct absorption or more frequently, via energy transfer from an antenna pigment, This excitation process can be envisioned as

a.) An electron from the lowest-energy filled orbital of the chlorophyll to the highest-energy unfilled orbital

b.) An electron in the upper orbital is only tightly bound to the chlorophyll and is difficult to fetch the electron nearby molecules

c.)  The electron in the upper orbital is only loosely bound to the chlorophyll and is easily lost if a molecule that can accept the electron is nearby

d.) The promotion of an electron from the highest-energy filled orbital of the chlorophyll to the lowest-energy unfilled orbital

Which combination is CORRECT?

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#Question id: 168

#XL - T Zoology

 The peptide alanylglutamylglycylalanylleucine has:

TLS Online TPP Program

#Question id: 934

#XL - Q Biochemistry

Nitrogen fixation may occur via all of the following bacteria, except

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#Question id: 12938

#XL - S Microbiology

What is the main advantage of using Yeast Artificial Chromosome based vector over other vectors?
1. It has ability to clone very large fragments of DNA.
2. YAC vectors do not contain origin of replication sites 
3. It has insert  range up to 2000 kb.
4. It help in genome mapping and sequencing projects.

TLS Online TPP Program

#Question id: 27248

#XL - T Zoology

Which of the following forces can stabilize a normal DNA double-helix?