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Integration finals > Biochemistry 2016 > Flashcards

Biochemistry 2016 Flashcards

1
Q

What would happen to red blood cells if haem group is removed.

A

Red blood cells not being able to carry oxygen

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2
Q

The life span for RBC are

A

120 days

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3
Q

during blood coagulation the thromboplastin is released by

A

dumped protein and damaged tissue *****

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4
Q

Increase in cholesterol causes increase in cholesterol deposition at wall of blood vessel.. this condition lead to..

A

Artherosclerosis

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5
Q

Normal Blood pressure in healthy individual

A

120/80

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6
Q

True about fat soluble vitamin

A

Retinol is pigment component of rhodopsin

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7
Q

What does thiamine deficiency cause

A

Beri beri

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8
Q

G protein

A

Tetrameric

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9
Q

cholestyramine is prescribed to lower blood cholesterol level by inhibiting the

A

intestinal absorption of bile salt

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10
Q

plasma lipoprotein

A

chylomicron transport TAG from peripheral tissue to liver

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11
Q

effect of insulin on adipose tissue

A

increase uptake of glucose via GLUT 4

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12
Q

bile acid

A

Bile salts are important for intestine absorption of B3.

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13
Q

Which of the following is correct regarding nutrition?

A

Glycemic index of food measures the rate of starch digestion.

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14
Q

energy requirement of an individual ?

A

The basal metabolic rate of female is 1300 kcal

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15
Q

macronutrient

A

Palm oil has high saturated fat

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16
Q

energy and protein requirement?

A

Consuming MUFA may increase risk of cardiovascular disease

17
Q

dietary protein

A

pancreatic juice contain pepsin

18
Q

amino acids degraded into acetyl coa

A

(****

19
Q

disposal of amino group from amino acid

A

carbon skeleton of lysine can form glucose

20
Q

production of NH4+ and alpha-ketoglutarate from glutamate catalysed by

A

Nadp+

21
Q

Pellagra

A

vitamin B3

22
Q

2.Sideroblastic anaemia

A

Vit B6

23
Q

3.Wernicke-Korsakoff Syndrome

A

Vit B1

24
Q

4.Beri-beri

A

b1

25
Q

5.Haemorraghic disease of infant

A

Vit K

26
Q

6.Impairment of sexual development

A

Testesterone

27
Q

7.Scurvy

A

Vit C

28
Q

8.Rickets

A

Calcium

29
Q

9.Neural tube defect

A

Vit B9 B 12

30
Q

10.Pernicious anaemia

A

B12

31
Q

a). Give 3 vitamin A forms in the body. (3m)

A

retinol, retinal, and retinoic acid

32
Q

Give 4 diseases or symptoms for medium deficiency of vitamin A.(4m)

A
33
Q

Give 4 diseases or symptoms for medium deficiency of vitamin A.(4m)

A
34
Q

What disease of the eye is caused from severe vitamin A deficiency? Briefly explains how it happens. ( 3m)

A

……

35
Q

what is serpentine receptor

A 
GPCR
Beta-2-adrenergic-receptor.png
The human beta-2 adrenergic receptor in complex with the partial inverse agonist carazolol.[1]
Identifiers
Symbol	7tm_1
Pfam	PF00001
InterPro	IPR000276
PROSITE	PDOC00210
TCDB	9.A.14
OPM superfamily	6
OPM protein	1gzm
CDD	cd14964
showAvailable protein structures:

The seven-transmembrane α-helix structure of bovine rhodopsin
G protein-coupled receptors (GPCRs), also known as seven-(pass)-transmembrane domain receptors, 7TM receptors, heptahelical receptors, serpentine receptor, and G protein-linked receptors (GPLR), constitute a large protein family of receptors that detect molecules outside the cell and activate internal signal transduction pathways and, ultimately, cellular responses. Coupling with G proteins, they are called seven-transmembrane receptors because they pass through the cell membrane seven times.[2]

G protein-coupled receptors are found only in eukaryotes, including yeast, choanoflagellates,[3] and animals. The ligands that bind and activate these receptors include light-sensitive compounds, odors, pheromones, hormones, and neurotransmitters, and vary in size from small molecules to peptides to large proteins. G protein-coupled receptors are involved in many diseases.

There are two principal signal transduction pathways involving the G protein-coupled receptors:

the cAMP signal pathway and
the phosphatidylinositol signal pathway.[4]

Integration finals (19 decks)

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