Bio 2

Question 1

homodisaccharide sugars

Answer 1

maltose- isomaltose - cellobiose

Question 2

heterodisaccharide sugars

Answer 2

sucrose - lactose

Question 3

maltose sugar is the product of the hydrolysis of:

Answer 3

the starch by the action of the amylase

Question 4

isomaltose sugar is the product of the hydrolysis of:

Answer 4

dextran

Question 5

cellobiose sugar is the product of the hydrolysis of:

Answer 5

cellulose

Question 6

describe sucrose

Answer 6

non reducing sugar- hydrolysis product of sucrose are glucose & fructose by the sucrase enzyme

Question 7

describe lactose

Answer 7

reducing sugar- hydrolyzed by the intestinal lactase enzyme- appears in urine in late pregnancy & gestation

Question 8

oligo ex

Answer 8

maltotriose

Question 9

functions of oligo

Answer 9

structure of 2 types of glyco- secreted proteins (antibodies- coagulation factors)

Question 10

other name for GAGs

Answer 10

mucopplysaccharides

Question 11

function of poly

Answer 11

storage-structure

Question 12

functions of glycogen

Answer 12

main common storage poly in animals & human - found in liver and in the skeletal muscle, during fasting it is broken into glucose to maintain the blood glucose level

Question 12

functions of glycogen

Answer 12

main common storage poly in animals & human - found in liver and in the skeletal muscle, during fasting it is broken into glucose to maintain the blood glucose level

Question 13

functions of dextran

Answer 13

support medium for chromatography & as a replacement therapy for blood loose + dental plaque

Question 14

function of inulin

Answer 14

determine the rate of glomerular filtration & in diet of diabetics

Question 15

function of cellulose

Answer 15

stimulates peristaltic movement & prevent constipation

Question 16

nutrient agar

Answer 16

used in preparation of culture media in microbiology

Question 17

the most abundant
GAG

Answer 17

chondotin

Question 18

site of dermatan

Answer 18

skin & blood vessels

Question 19

site of heparin

Answer 19

intracellular granules in mast cells of lungs & liver & skin

Question 20

site of heparan

Answer 20

extracellular substances of the basement membrane and the cell surface

Question 21

site & function of hyaluronic acid

Answer 21

synovial fluid, vitreous humor in eye
shock absorbing lubricant

Question 22

glycoproteins are

Answer 22

oligosaccharide chains