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

uracil

2 nitrogen

thymin

2 nitrogen ch3

adenosine triphosphate formation release

4 water molecules

mRNA %

3 to 4%

rRNA %

80%

tRNA %

10 TO 20%

Less resistant to decay

starch

more resistant to decay

lignin chitin ,cellulose

amylose

unbranched, alpha 1,4 glycosidic linkage

amylopectin

branched structure ,alpha 1,6 glycosdic linkage

non reducing sugars

disscahharide,sucrose,polysaccharides

glucose in blood

0.08%

most common monosaccharides

pentoses and hexoses

PCL IN bacterial cell

15%, 3%, 2%

PCL IN mammalian cell

18%, 4%, 3%

two form monoterpene

e.g menthol

four form diterpene

e.g vit A ,phtol

six form a triterpene

e.g ambrein

polyterpene

e.g natural rubber