biochem exam 2-Vitamin

Question 1

how many B vitamins we need to know?

Answer 1

8

Question 2

is vitamin B water soluble?

Answer 2

yes

Question 3

B1

Answer 3

thiamin
part of thiamine pyrophosphate (TPP)
coenzyme in PDH complex in conversion of pyruvate to acetyl-coA

Question 4

Deficiencies of B1

Answer 4

beriberi, wernicke-korsakoff syndrome

Question 5

B2

Answer 5

riboflavin

Question 6

deficiencies of B2

Answer 6

cheilosis, glossitis

Question 7

B3

Answer 7

Niacin

Question 8

B3-niacin: coenzymes forms are

Answer 8

NAD, NADP

Question 9

B3 deficiencies

Answer 9

pellagra

Question 10

B5

Answer 10

pantothenic acid

Question 11

B6

Answer 11

pyridoxine/pyridoxal/pyridoxamine

Question 12

importance of B6

Answer 12

important for catecholamine synthesis - amino acid metabolism

Question 13

T/F PLP- pyridoxine only water soluble vitamin with significant toxicity.

Answer 13

True

Question 14

deficiencies of B6

Answer 14

scaly dermatitis, anemia

Question 15

B7

Answer 15

biotin

Question 16

B7 (biotin)- used in __________ reactions for FA synthesis

Answer 16

carboxylation

Question 17

B9

Answer 17

Folic acid

Question 18

B9 (folic acid)- tetrahydrofolate (THF). Important for

Answer 18

pregnant women

Question 19

B9 deficiencies

Answer 19

Anemia, Spina bifida, anencephaly

Question 20

B12

Answer 20

Cobalamin

Question 21

B12: new cell synthesis. Binds to ______.

Answer 21

intrinsic factor.

Question 22

what is the deficiencies of B12

Answer 22

pernicious anemia

Question 23

Mnemonic for vitamin order

Answer 23

Tyler Really Needs Paper Possibly Buying Fresh Cocaine

Question 24

Vitamin C

Answer 24

ascorbic acid

Question 25

function of vitamin C

Answer 25

collagen synthesis and good for hydroxylation

Question 26

deficiency of vitamin C

Answer 26

scurvy

Question 27

Fat-soluble vitamin A is important for vision. what are the deficiencies?

Answer 27

night blindness, xerophthalmia, keratomalacia

Question 28

Fat soluble vitamins: vitamin D= calciferol is

Answer 28

mineralization of bone. get it from the sun

Question 29

deficiencies of vitamin D= calciferol

Answer 29

rickets (children), osteomalacia, osteoporosis

Question 30

fat soluble vitamins: vitamin E is tocopherols=

Answer 30

antioxidant

Question 31

deficiencies of vitamin E

Answer 31

RBC breakage, nerve damage

Question 32

vitamin K= phylloquinone, menaquinone

Answer 32

blood clotting protein synthesis, bone protein synthesis

Question 33

what are the deficiency of vitamin K

Answer 33

hemorrhaging

Question 34

types of fat soluble vitamins (4)

Answer 34

1. A, D,E, K