Question # 1

Glyosidic bond is a

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C- N Linkage

C - O Linkage

N - H Linkage

C - H Linkage

Which is the following is lipid.

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Chitin

Rubber

starch

Sucrose

The amino acid 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

Conjugated histone proteins are.

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Structural and Regulatory

Structural only

Regulatory only

Transport proteins

Human tissues contains about 20% water in.

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Brain cells

Bone cells

Kidney cells

Skin cells

The most abundant organic compound mammalian cell.

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Water

Lipids

Proteins

Carbohydrates

In free state, glucose is present in.

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Amylose

Dates

Cellulose

Glycogen

The covalent bond between two monosaccharides is called.

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peptide bond

glyosidic bond

Ester bond

Hydrogen bond

Which of the following is not a fibrous proein.

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Keratin

Myocin

Fibrin

Mormones

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

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Trioses

Tetroses

Hexoses

Pentoses

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

the most abundant organic compound in mammalian cell

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Water

Lipids

Proteins

Carbohydrates

_______ is not a terpenoid.

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Steroids

Terpenes

Waxes

Rubber

Glycogen gives colour with iodine.

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Black

Blue

Red

Green

Peptide bond is a

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C-N link

C-O link

N-H link

C-H link

The mRNA of the total cell RNA is above

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3-4 %

1-2%

2-4%

3-5%

Human tissue contains about 20% water in.

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Kidney

Bone cells

skin cells

Brain cells

Silk fiber, myosin, fibrin and keratin are examples.

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Fibrous proteins

Tough proteins

Oval proteins

Globular proteins

Globular proteins differ from fibrous proteins in

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Having more amino acids

Their repeating units joined by peptide bond

Being soluble in aqueous medium

Being non-crystalline

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

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0.25%

2%

3%

6%

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