Biochem ICE

Question 1

Most common form of AA in nature

Answer 1

L-Form

Question 2

Chemical bond of primary structure of proteins

Answer 2

peptide bond

Question 3

B7 (biotin) is for

Answer 3

carboxylation/ TPP

Question 4

B6 (pyroxidine) is for

Answer 4

Transaminase

Question 5

Glucose is a _________

Answer 5

aldohexose

Question 6

cellulose has what bonds

Answer 6

Beta 1-4

Question 7

Lactose is made up of

Answer 7

Glucose and galactose

Question 8

In alanine synthesis, glutamate is needed to make

Answer 8

ketoglutarate

Question 9

Pure ketogenic AA

Answer 9

Leucine(can’t be converted to glucose)

Question 10

Branch chain AAs

Answer 10

Valine, Leucine, isoleucine

Question 11

this substance is eliminated by muscle from the glucose-alanine cycle

Answer 11

ammonia

Question 12

Heme is made of

Answer 12

Hemoglobin, glycine, porphyrin

Question 13

Esential fatty acids

Answer 13

LA (18), ALA (18), AA (20)

Question 14

More common form between cis and trans

Answer 14

cis

Question 15

Lipids are insoluble due to

Answer 15

Isophobic, no ion bond

Question 16

DNA has no

Answer 16

uridine(RNA only)

Question 17

type of bond DNA uses

Answer 17

hydrogen bond

Question 18

Rhodopsin includes

Answer 18

retinal and opsin

Question 19

beta oxidation of fattty acid is blocked by high carb diet due to

Answer 19

palmitoyl transferase I of FA is blocked by malonyl-CoA

Question 20

MEdum chain FA

Answer 20

8-12 carbons (coconut oil)

Question 21

Function of Krebs cycle

Answer 21

pyruvate oxidation

Question 22

TCA cycle creates

Answer 22

3 NADH/1 FADH

Question 23

Hydroxylase

Answer 23

digestive enzyme such as amylase, lipase, etc

Question 24

example of dissacharides

Answer 24

maltose, isomaltose, lactose

Question 25

function of insulin

Answer 25

decrease blood glucose level

Question 26

Retinol requires what to bind to protein

Answer 26

zinc

Question 27

02 effects respiratory chain by

Answer 27

cytochrome

Question 28

a-ketoglutarate and ammonia forms

Answer 28

glutamine by glutamate dehydrogenase

Question 29

what is restriction endonuclease

Answer 29

cleaves DNA at specific sites and makes recombinant DNA

Question 30

Malonyl CoA

Answer 30

carnitine palmitoyl transferase

Question 31

NADH2 produces

Answer 31

3 ATP thru ETC

Question 32

FADH2 produces

Answer 32

2ATP thru ETC

Question 33

lipogenesis

Answer 33

acetyl CoA+NADPH+H+glycerol-3-phosphate+ATP

Question 34

lactose dehydrogenase

Answer 34

produces lactose from pyruvate

Question 35

UTP and CTP is for

Answer 35

RNA synthesis (translation)

Question 36

ribose 5 phosphate/NADPH

Answer 36

for PPP

Question 37

gluconeogenesis and glycogenolysis happens where

Answer 37

muscle/liver

Question 38

aerobic glycolysis priduces

Answer 38

2 pyruvate and 2 ATP and 2 NADH

Question 39

Krebs cycle produces

Answer 39

3 NADH, 1 FADH, 1 GTP, 2 CO2

Question 40

GTP is formed by

Answer 40

succinyl CoA synthetase

Question 41

product of pre krebs cycle

Answer 41

acetyl CoA and NADH and CO2

Question 42

B9 is for

Answer 42

DNA synthesis

Question 43

3 types of RNA

Answer 43

rRNA, tRNA, mRNA

Question 44

ATP produced in TCA cycle, ETC, glycolysis, HMP shunt

Answer 44

36,3,2,8

Question 45

fatty acid synthesis/oxidation site

Answer 45

cytoplasm/mitochondria

Question 46

translation/transcription

Answer 46

transcription (DNA to RNA) | Translation (RNA to Protein)

Question 47

Lipolysis yields

Answer 47

Acetyl CoA+NADH+FADH2

Question 48

function of chylomicron

Answer 48

transfer dietary lipid to body

Question 49

LDL function

Answer 49

carry cholesterol from liver to body

Question 50

VLDL function

Answer 50

cary endogenous lipid from liver to body

Question 51

HDL

Answer 51

remove free cholesterol from blood

Question 52

Ketogenesis includes

Answer 52

acetone, acetoacetate, hydroxybutyrate

Question 53

cholesterol makes

Answer 53

steroid, sex hormone, bile acids

Question 54

enzyme needed for urea cycle

Answer 54

carbonyl phosphate synthetase

Question 55

most abundant protein in body

Answer 55

collagen

Question 56

hydrocortisone acts by inhibiting

Answer 56

activity of phospholipase A2

Question 57

ketoacidosis is caused by

Answer 57

excessive fat intake

Question 58

glycolysis requires

Answer 58

NAD

Question 59

beta endorphin is for

Answer 59

pain relief

Question 60

kinins cause

Answer 60

vasodilation

Question 61

alpha amylase digests

Answer 61

glucose, isomaltose, maltose

Question 62

phenylalinine forms

Answer 62

tyrosine

Question 63

prostaglandins act on

Answer 63

smooth muscle

Question 64

proteins are digested by

Answer 64

protease (pepsin, trypsin, chymotrypsin)

Question 65

small peptides are digested by

Answer 65

peptidase

Question 66

amino butyric acid is inhibitory and is formed by

Answer 66

glutamate

Question 67

NEAA is needed for

Answer 67

DNA, RNA

Question 68

triglycerides should be

Answer 68

<150mg/dl

Question 69

HDL should be less than

Answer 69

40mg female 50mg male

Question 70

chlolesterol should be les than

Answer 70

<200mg/dl

Question 71

gamma linoleum acid is formed by

Answer 71

linoleic acid

Question 72

decreased acetyl CoA blocks

Answer 72

lipogenesis

Question 73

Acetyl CoA carboxylase is for

Answer 73

dephosphorylation

Question 74

Vit c deficiency=

Answer 74

scurvy, poor collagen formation

Question 75

insulin increases lipogensis by

Answer 75

dephosphorylation

Question 76

carbon monoxide inhibits

Answer 76

cytochrome A3

Question 77

PPP forms

Answer 77

NADH+H

Question 78

IP3 is 2nd messenger for release of calcium from

Answer 78

restriction endonuclease

Question 79

protein tyrosine kinase activates

Answer 79

PI kinase