biological molecules Flashcards by Mohammad Qavi

Q

heat of vaporization of water

A

574cal /g 57400cal/kg

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Q

alpha sugar

A

OH is downward

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Q

beta sugar

A

OH is upward

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Q

SUCROSE BOND

A

ALPHA 1,2 GLYCOSIDIC LINKAGE

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Q

MALTOSE

A

ALPHA 1,4 GLYCOSIDIC LINKAGE

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Q

LACTOSE

A

BETA 1,4 GLYCOSIDIC LINKAGE

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Q

STARCH WITH iodine

A

blue color

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Q

glycogen with iodine

A

red color

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Q

glycine R group

A

H

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Q

Alanine R group

A

CH3

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Q

biuret test

A

protein

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Q

spot test

A

fats

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Q

iodine test

A

polysacchardide

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Q

insulin aminoacid

A

51 in two chains / 49 peptide bonds

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Q

pellagra

A

caused by a deficiency of niacin

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Q

fibrous protein

A

insoluble ,elastic and cannot be crystallized

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Q

globular protein

A

slouble ,inelastic and can be crystallized

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Q

structural proteins

A

collagen , keratin, elastin,histone

Q

functional proteins

A

enzymes,hormones,antibodies,haemoglobin,fibrinogen,ovalbumin

Q

nucleic acid reported in

A

1869

Q

cysteine

A

sulphur containing aminoacid

Q

pyrimdine

A

cytosine,uracil ,thymine

Q

purine

A

adenine ,guanine

Q

cytosine

A

3 nitrogen

Q

uracil

A

2 nitrogen

Q

thymin

A

2 nitrogen ch3

Q

adenosine triphosphate formation release

A

4 water molecules

Q

mRNA %

A

3 to 4%

Q

rRNA %

A

80%

Q

tRNA %

A

10 TO 20%

Q

Less resistant to decay

A

starch

Q

more resistant to decay

A

lignin chitin ,cellulose

Q

amylose

A

unbranched, alpha 1,4 glycosidic linkage

Q

amylopectin

A

branched structure ,alpha 1,6 glycosdic linkage

Q

non reducing sugars

A

disscahharide,sucrose,polysaccharides

Q

glucose in blood

A

0.08%

Q

most common monosaccharides

A

pentoses and hexoses

Q

PCL IN bacterial cell

A

15%, 3%, 2%

Q

PCL IN mammalian cell

A

18%, 4%, 3%

Q

two form monoterpene

A

e.g menthol

Q

four form diterpene

A

e.g vit A ,phtol

Q

six form a triterpene

A

e.g ambrein

Q

polyterpene

A

e.g natural rubber