Question # 1

The melting point of Palmitic acid is.

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-8^oC

34 ^oC

63.1^oC

55.6^oC

Helical shape of polypeptide is due to presence within molecule.

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Covalent bond

Hydrogen bond

Peptide bond

disulphide bond

the molecule formed by two amino acids is called.

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Peptide linkage

dipeptide

Both A and C

Peptide bond

Which one the following is not a lipid.

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Rubber

Chitin

Cholesterol

Cutin

Animals obtain carbohydrates mainly from

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Glucose

Starch

Sucrose

Glycogen

Amino acids are arranged in proper sequence during protein synthesis according to the instruction transcribed on

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Transfer RNA

Ribosomal RNA

Messenger RNA

DNA

Number of amino acids in each turn of a helix. is.

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3.6

4.6

5.6

6.6

Which is the following is lipid.

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Chitin

Rubber

starch

Sucrose

The covalent bond between two monosaccharides is called.

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peptide bond

glyosidic bond

Ester bond

Hydrogen bond

Chemical nature of most cellular secretions is.

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Proteins

Lipids

Glyco proteins

Carbohydrates

_______ is not a terpenoid.

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Steroids

Terpenes

Waxes

Rubber

The most abundant organic compound mammalian cell.

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Water

Lipids

Proteins

Carbohydrates

Which one of the following is not a polysaccharide.

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Chitin

Cutin

pectin

Dextrin

To produce Lactose

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Two amino acids must form a peptide bond

Pairing of nitrogenous bases must occur between nucleotides

Glucose and galactose must undergo a dehydration reaction

Glucose and fructose must undergo a hydrolysis reaction

The basic element of organic compound is.

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Nitrogen

Carbon

Hydrogen

Oxygen

Human tissue contains about 20% water in.

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Kidney

Bone cells

skin cells

Brain cells

Percentage of carbohydrates in mammalian cell

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1%

2%

3%

4%

Which one of following is not a polysaccharide.

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Chitin

Cutin

Pectin

Dextrin

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