In Cx(H2O)y x ranges from
Correct answer B. 3 to many thousand
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Biology MCQs
Page 72 of Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 72 of 75
In living organisms the lubricant which provides protection against damage resulting from friction is
Correct answer C. Water
Carbon commonly combines with
Correct answer D. All of these
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Interconversion of carbohydrates proteins and lipids in living cells are an example of
Correct answer C. Both A and B
The survival of an animal depends upon its ability to take some from its environment
Correct answer C. Organic molecules
Which conjegated molecules play important role in gene expression?
Correct answer C. Nucleohistones
Which of the following statement is incorrect about RNA?
Correct answer B. It contains Adenine Guanine Thymine and Cytosine
The first organism of whose genome was completely discovered was
Correct answer C. Hemophilus Influenza
ATP is a an important molecule for its major function
Correct answer A. As an energy currency of the cell
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Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong?
Correct answer A. Globular proteins
Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong?
Correct answer B. Fibrous Proteins
Which structural organization is most common in globular proteins?
Correct answer C. Tertiary
Which of the following does not show quaternary structure?
Correct answer C. Fibrin
Hemoglobin molecule exhibits which structural organization of proteins
Correct answer D. Quaternary structure
In an aqueous environment the most stable tertiary conformation is that in which ____ amino acids are buried inside the conformation.
Correct answer A. Hydrophobic
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Which structure of protein gives information aboutnumber and sequence of amino acids in it?
Correct answer A. Primary structure
Total number of amino acids in a hemoglobin molecule are:
Correct answer C. 574
A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called
Correct answer C. Peptide bond
In Glycin an amino acid R group is replaced by
Correct answer A. H
Total number of amino acids discovered so far in cells and tissues are
Correct answer D. 170