Question # 1

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

When a protein undergoes a hydrolysis reaction the end-products are

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Amino acid

Monosaccharides

Fatty acids

Nucleotides

The mRNA of the total cell RNA is above

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3-4 %

1-2%

2-4%

3-5%

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

The melting point of Palmitic acid is.

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-8^oC

34 ^oC

63.1^oC

55.6^oC

Human tissues contains about 20% water in.

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Brain cells

Bone cells

Kidney cells

Skin cells

The most abundant carbohydrates in nature is

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Starch

Cellulose

Maltose

Glucose

The most abundant organic compound mammalian cell.

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Water

Lipids

Proteins

Carbohydrates

The potential source of chemical energy cellular activities.

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C-H Bond

C-N Bond

C- O bond

C- C Bond

Keratin is an example of Fibrous protein present in

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Nails and Hair

Blood

Muscles

Bones

Cotton is apure

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Cellulose

Poly saccharide

Both a and b

None of these

The most abundant carbohydrates in nature

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Starch

Maltose

Cellulose

Glucose

Conjugated histone proteins are

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Structural and Regulatory

Structural only

Regulatory only

Transport proteins

the most abundant organic compound in mammalian cell

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Water

Lipids

Proteins

Carbohydrates

Which of the following is a protein

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Cellulose

Cholesterol

ATP

Insulin

Chemical nature of most cellular secretion is.

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Proteins

Lipids

Carbohydrates

Glycoproteins

Silk fiber, myosin, fibrin and keratin are examples.

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Fibrous proteins

Tough proteins

Oval proteins

Globular proteins

Helical shape of polypeptide is due to present within molecule.

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Covalent bond

Hydrogen bond

Disulphide bond

Peptide bond

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