Biomolecules DSA

Question 1

What is the general formula for carbs and what do they do?

Answer 1

General formula : Cn (H2O)n; (n= 3-9)

catabolic, anabolic

Question 2

Sugar esters

Answer 2

gangliosides in oligodendrocyte of nervous system

Question 3

Acidic sugars

Answer 3

in cell membrane and in ecm

Question 4

Deoxyaldose

Answer 4

in DNA

Question 5

Acetylated amino sugars

Answer 5

glycoproteins and glycolipids

Question 6

sugar alcohols

Answer 6

food additives, diabetes, absorbed little

Question 7

Sucrose bonds?

Answer 7

Glucose + fructose, a1, b2

Question 8

Lactose bonds?

Answer 8

glucose + galactose, b1-4

Question 9

maltose bonds?

Answer 9

glucose + glucose, a1-4

Question 10

linkages of amylose and amylopectin?

Answer 10

a(1-4), a(1-4) and a (1-6)

Question 11

What are TAGs made of? Cholesterol ester?

Answer 11

3FA with glycerol, Fatty acid attached to cholesterol

Question 12

Formula of fatty acids?

Answer 12

CH3(Ch2)nCOOH

Question 13

what are w3, w6?

Answer 13

linolenic acids, linoleic acids

Question 14

Why is cholesterol important?

Answer 14

components of membranes,precursor, bile, made from IPP

Question 15

what are gallstones?

Answer 15

too much cholesterol or too much bile salts causes stones

Question 16

tertiary reactions proteins

Answer 16

Hydrophobic interactions , disulfide bonds in cysteines, metal ion complexes, hydrogen bonding

Question 17

Quaternary interactions proteins

Answer 17

multiple protein subunits (pLGIC), hydrogen bonds, salt bridges, hydrophobic interactions

Question 18

Protein turnover

Answer 18

400g of protein used a day, 400g produced

Question 19

Disulfide bonds

Answer 19

oxidation of sulfhydryl group of cysteine in rough er create disulfide bonds

gluthionine prevents cytoplasm from being oxidizing environment