Question # 1

The most abundant carbohydrates in nature

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Starch

Maltose

Cellulose

Glucose

Which of the following is not a fibrous protein.

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Keratin

My ocin

Fibrin

Hormones

The specific heat of vaporization of water Kcal/kg is

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457 kcal/kg

574 kcal/kg

547 kcal/kg

475 kcal/kg

Glyosidic bond is a

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C- N Linkage

C - O Linkage

N - H Linkage

C - H Linkage

Helical shape of polypeptide is due to presence within molecule.

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Covalent bond

Hydrogen bond

Peptide bond

disulphide bond

Conjugated histone proteins are

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Structural and Regulatory

Structural only

Regulatory only

Transport proteins

80% of total RNA is the cell comprises of.

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mRNA

tRNA

rRNA

RNA-DNA hybrid

Phosphatidyl choline is one of the common

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Phospholipid

Glycolipid

Sphingolipid

Terpenoid

Enzymes are

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Polysaccharides

Proteins

Steroids

Triglyceride

Animals obtain carbohydrates mainly from

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Glucose

Starch

Sucrose

Glycogen

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 amino acids are mainly different from each other due to the type and nature of.

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R-Group

Amino group

Carboxyl group

Peptide bond

To biological function of a protein is determined by its

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Primary structure

Secondary structure

Tertiary structure

Quaternary structure

Hydrogen bonds between adenine and thymine.

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Two

Four

Three

Five

The melting point of Palmitic acid is.

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-8^oC

34 ^oC

63.1^oC

55.6^oC

The most abundant carbohydrates in nature is

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Starch

Cellulose

Maltose

Glucose

The percentage of water in bacterial cell is about.

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15%

18%

50%

75%

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