DSA Biomolecules

Question 1

Starch

2 Forms and linkages

Answer 1

Glucose polysaccharide in plants

Amylose = a 1-4 bond (Not branched)

Amylopectin = a 1-4 and a 1-6 bonds (Branched)

Question 2

Sucrose

Answer 2

Disaccharide of glucose and fructose in vegatables and fruits

a-1, B-2 bond

Question 3

Lactose

Answer 3

Disaccharide of glucose and galactose and major dietary CHO of animal origin

B 1-4 bond

Question 4

Maltose

Answer 4

Disaccharide of two glucose

a 1-4 bond

Question 5

Normal glucose range

Hypoglycemic Range

Diabetic Range

Answer 5

70-100 (fasting) <140 (fed)

<60

>125 (fasting) >200 (fed)

Question 6

Monosaccharides

Answer 6

Glucose, Fructose, Galactose, Ribose

Question 7

Disaccharides

Answer 7

Maltose, Lactose, Sucrose

Question 8

Oligosaccharides

Answer 8

Glycolipids and Glycoproteins

Question 9

Polysaccharides

Answer 9

Glycogen, Starch, Cellulose

Question 10

Sugar Alcohols

Answer 10

Mannitol, Sorbitol, Xylitol

Food additives, significane in uncontrolled diabetes

(Cataracts and peripheral neuropathy)

Question 11

Dietary Lipids

Answer 11

FAs

TAGs

Cholesterol Esters (FA esterified to cholesterol)

Phospholipids

Question 12

Lipid Soluble Vitamins

Answer 12

ADEK

Question 13

Isoprenoids

Answer 13

Synthesized from Acetyl CoA via intermediate IPP (isopentyl pyrophosphate)

Condensation of IPP = steroids, vitamins, and CoQ

Question 14

Cholesterol is a precursor for _

Answer 14

Steroid hormones, Bile Acids, Vit D

Question 15

Nonpolar AA