Question # 1

Enzymes are

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Polysaccharides

Proteins

Steroids

Triglyceride

The covalent bond between two monosaccharides is called.

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peptide bond

glyosidic bond

Ester bond

Hydrogen bond

80% of total RNA in the cell comprises of.

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mRNA

tRNA

rRNA

RNA -DNA Hybrid

Conjugated histone proteins are.

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Structural and Regulatory

Structural only

Regulatory only

Transport proteins

Conjugated histone proteins are

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Structural and Regulatory

Structural only

Regulatory only

Transport proteins

The most abundant carbohydrates in nature

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Starch

Maltose

Cellulose

Glucose

To biological function of a protein is determined by its

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Primary structure

Secondary structure

Tertiary structure

Quaternary structure

A triglyceride is a

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Simple sugar

Lipid

Protein

Nucleic acid

The percentage of water in bacterial cell is about.

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15%

18%

50%

75%

Human tissues contains about 20% water in.

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Brain cells

Bone cells

Kidney cells

Skin cells

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

Lactose is a

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Mono saccharides

Oli saccharides

Poly saccharides

Pectin

Which class of molecule is the major component of cell membrane

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Phospolipid

Cellulose

Wax

Triglyceride

Human tissue contains about 20% water in.

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Kidney

Bone cells

skin cells

Brain cells

Phosphatidyl choline is one of the common.

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phospholipid

Sphingolipid

Glycolipid

Terpenoid

Hemoglobin is a

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Fibrous proteins

Coiled proteins

Globular proteins

double coiled proteins

The molecule formed by two amino acids called.

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Peptide linkage

Dipeptide

Peptide bond

Botha a and c

Which one of following is not a polysaccharide.

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Chitin

Cutin

Pectin

Dextrin

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