Question # 1

The percentage of water in bacterial cell is above

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15%

18%

50%

70%

Enzymes are

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Polysaccharides

Proteins

Steroids

Triglyceride

Silk fiber, myosin, fibrin and keratin are examples.

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Fibrous proteins

Tough proteins

Oval proteins

Globular proteins

the most abundant organic compound in mammalian cell

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Water

Lipids

Proteins

Carbohydrates

The percentage by weight of RNA in a bacteria cell is.

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0.25%

2%

3%

6%

Monosaccharide which are rare in nature and occur in some bacteria is.

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Trioses

Tetroses

Hexoses

Pentoses

The most abundant carbohydrates in nature

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Starch

Maltose

Cellulose

Glucose

Which one of the following kinds of atom does not occur in carbohydrates

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Carbon

Hydrogen

Nitrogen

Oxygen

A triglyceride is a

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Simple sugar

Lipid

Protein

Nucleic acid

Conjugated histone proteins are

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Structural and Regulatory

Structural only

Regulatory only

Transport proteins

Glycogen is an example of a

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Polysaccharide only

Carbohydrate only

Phospholipid

Both a polysaccharide and a carbohydrate

The melting point of Palmitic acid is.

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-8^oC

34 ^oC

63.1^oC

55.6^oC

Phosphatidyl choline is one of the common.

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phospholipid

Sphingolipid

Glycolipid

Terpenoid

Monosaccharide which are rare in nature and occur in some bacteria is

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Trioses

Tetroses

Hexoses

Pentoses

The covalent bond between two monosaccharides is called.

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peptide bond

glyosidic bond

Ester bond

Hydrogen bond

Number of amino acids in each turn of alpha helix is

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3.6

4.6

5.6

6.6

The basic element of organic compound is

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Hydrogen

Carbon

Nitrogen

Oxygen

The percentage by weight of RNA in a bacterial cells is

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0.25%

3%

5%

6%

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