Protein synthesis in an animal cell takes place
[1997]
DNA synthesis can be specifically measured by estimating the incorporation of radio labelled
[1997]
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The RNA that picks up specific amino acids from the amino acid pool in the cytoplasm to ribosome during protein synthesis is called
[1997]
Radioactive thymidine when added to the medium surrounding living mammalian cells gets incorporated into the newly synthesized DNA. Which of the following types of chromatin is expected to become radioactive if cells are exposed to radioactive thymidine as soon as they enter the S-phase ?
[1998]
The enormous diversity of protein molecules is due mainly to the diversity of
[1998]
Cellulose, the most important constitutent of plant cell wall is made of
[1998]
Lactose is composed of
[1998]
Minor changes at gene level are described as
[1997]
The secondary structure of that portion of an integral protein that is buried in the lipid bilayer of a cell membrane is
[1999]
Length of one turn of the helix in a b-form DNA is approximately
[2000, 06]
Conjugated proteins containing carbohydrates as prosthetic group are known as
[2000]
The transfer RNA molecule in 3D appears
[2000]
One of the similarities between DNA and RNA is that both
[2000]
Feedback inhibition of an enzymatic reaction is caused by
[2000]
Enzymes enhance the rate of reaction by
[2000]
Which is an essential amino acid?
[2000]
Due to discovery of which of the following in 1980 the evolution was termed as RNA world?
[2001]
Most abundant organic compound on earth is
[2001]
Types of RNA polymerase required in nucleus for RNA synthesis?
[2001]
Spoilage of oil can be detected by which fatty acid?
[2001]
Lipids are insoluble in water because lipid molecules are
[2002]
Which of the following is a reducing sugar?
[2002]
Cancer cells are more easily damaged by radiation than normal cells because they are
[2004]
In which one of the following enzymes, is copper necessarily associated as an activator?
[2004]
33 docs|83 tests
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33 docs|83 tests
|