Absorption of molecules

Question 1

What is sucrose and what enzyme breaks it down

Answer 1

glucose + fructose

sucrase

Question 2

What is lactose and what enzyme breaks it down

Answer 2

glucose + galactose

lactase

Question 3

What is maltose and what enzyme breaks it down

Answer 3

glucose + glucose

maltase

Question 4

What enzymes breaks down starch

Answer 4

amalyases

Question 5

What bonds do analyses break

Answer 5

alpha1-4 bonds

Question 6

what type of reaction is used to break up starch

Answer 6

hydrolysis

Question 7

Where are analyses produced

Answer 7

saliva glands

pancreas

Question 8

Difference between cellulose and starch

Answer 8

Glucose molecules in starch joined by alpha1-4 bonds

Glucose molecules in cellulose joined by beta1-4 bonds

Question 9

name of columnar cell of villi

Answer 9

enterocyte

Question 10

how many membranes does an enterocyte have and their names

Answer 10

2 membranes
apical-on the top
basolateral- sides and bottom

Question 11

transcellular route

Answer 11

movement through the cell

Question 12

paracellular route

Answer 12

movement through the tight junction and between the cells

Question 13

vectorial route

Answer 13

movement of non lipid soluble molecule through the cell with help from transport proteins

Question 14

Through what transporter is glucose absorbed by the small intestine and what other molecule is absorbed at the same time

Answer 14

SGLT1

Na

Question 15

Through what channel is fructose absorbed by the small intestine

Answer 15

GLUT-5

Question 16

endopeptidases role

Answer 16

breaks peptides down into smaller ones from the middle

Question 17

exopeptidases role

Answer 17

breaks down peptises into amino acids from the end

Question 18

Where in the cell are fatty acids and monoglycerides recombined

Answer 18

smooth endoplasmic reticulum

Question 19

What is a extracellular fat droplet

Answer 19

chylomicron

Question 20

Where do chylomicrons enter after leaving the epithelial cell

Answer 20

lacteal

Question 21

where in GI tract is iron absorbed

Answer 21

duodenum

Question 22

which transporter takes up iron

Answer 22

DMT1

Question 23

what complex is iron stored in the enterocytes

Answer 23

ferritin

Question 24

what does iron bind to in the blood

Answer 24

transferrin