Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

ANS 328- Nutrition > final exam > Flashcards

final exam Flashcards

(61 cards)

Start Studying
1
Q

what is the common name for vitamin B9

A

folate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are the functions of folate

A

1-carbon metabolase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

define 1-carbon metabolase

A

interconversion of glycine and serine
methionine cycle
nucleotide synthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are the deficiencies of folate

A

anemia
reduced growth
poor reproduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the common name for vitamin B12

A

cobalamin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what does cobalamin require

A

intrinsic factors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

is B12 found in plant or animal sources

A

animal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is cobalamin a cofactor for

A

methylmalonyl CoA mutase
methionine synthase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are cobalamin deficiencies

A

decreased growth
anemia
poor reproduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the common name for vitamin B7

A

biotin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is biotin used to synthesized

A

acetyl CoA carboxylase
pyruvate carboxylase
propionyl CoA carboxylase
3-methylcrotonyl CoA carboxylase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are the deficiencies of biotin in non-ruminants

A

dermatitis
cracks in footpad
poor growth
loss of hair/feathers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are the deficiencies of biotin in ruminants

A

hoof cracks
lesions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

define avidin

A

protein in raw eggs that bind to biotin and make it unavailable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

describe choline

A

originally vitamin B4 but no longer essential

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what are the functions of choline

A

phospholipid synthesis
neurotransmission
chylomicron synthesis
methyl group donor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what is the common name for vitamin C

A

ascorbic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what are the functions of ascorbic acid

A

collagen synthesis
carnitine synthesis
norepinephrine synthesis
activation of peptide hormones
tyrosine oxidation
antioxidation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what is the deficiency of vitamin C

A

scurvy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what does scurvy cause

A

bruising/hemorrhaging
rough coat
painful joints
lethargy
dental issues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

define mineral

A

inorganic elements required as nutrients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

define macromineral

A

required in large quantities (>0.01%)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

define micromineral

A

required in small quantities (<0.01%)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what are the macrominerals

A

calcium
phosphorus
magnesium
sodium
potassium
chloride

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
what are the functions of calcium
second messenger enzyme activation activates clotting factors bone mineralization
26
describe calcium deficiencies
impaired nerve and muscle functions
27
what is a phosphate
oxygens attached to a phosphorus
28
what are the functions of phosphorus
bone mineralization oxidative phosphorylation acid-base buffer DNA-RNA phospholipids signaling molecule reversible midification of protein enzymatic reactions
29
is phosphorylation activated or deactivated
deactivated
30
what are deficiencies of phosphorus
pica (seeking out non-nutritional food, like wood
31
describe rickets/osteomalacia
deficiency of Ca,P, Vitamin K, or a mixture of all cause spongy, poorly mineralized bones
32
what are the functions of magnesium
anion charge neutralization cellular energy metabolism nucleic acid and protein synthesis second messenger ion channels
33
what are deficiencies of magnesium
grass tetany convulsions muscle twithcing
34
what are sodium, potassium, and chloride
electrolytes
35
what are the functions of electrolytes
nutrient transport membrane potential extracellular fluid volume
36
what are the deficiencies of electrolytes
irregular heart beat vomitting diarrhea
37
what are the microminerals
iodine selinium iron zinc copper manganese sulfur
38
what are the functions of iodine
thyroid hormone synthesis
39
what does the thyroid hormone need
tyrosine and iodine
40
what is the deficiency of iodine
goiter (enlargement of thyroid)
41
what is the active form of iodine
T3 form
42
what are the functions of selineum
glutathione peroxidase deiodinase selenoprotein P (plasma) selenoprotein W (muscle)
43
describe the antioxidant function
takes oxygen from hydrogen peroxide and moves it
44
describe deiodinase
activates thyroid hormone
45
describe the toxicity of selenium
blind staggers abnormal hoof and hair growth
46
describe the deficiency of selenium
white muscle disease liver necrosis
47
how is iron stored and transported
stored: ferritin transported: transferrin
48
what are the functions of iron
heme proteins (hemoglobin, myoglobin, catalase) proteins with iron-sulfur centers (aconitase)
49
what is an iron deficiency
anemia
50
what are the functions of zinc
metalloenzymes zinc-finger proteins (causing folding of amino acid) lymphocytes
51
what are zinc deficiencies
decreased growth dermatitis
52
describe copper
required by all animals
53
what are the functions of copper
Cu metalloenzymes cytochrome C oxidase (oxidative phosphorylation) neutrophils and T lymphocytes iron metabolism ceruloplasmin- allows for iron to bind to transferrin bone and vascular functions collagen and elastin synthesis
54
what are the deficiencies of copper
anemia hair depigmentation reduced growth aortic rupture abnormal bone formation ataxia GI disturbances
55
what are the functions of manganese
Mn metalloenzymes gluconeogenesis cartilage formation
56
what are the deficiencies of manganese
defective bone formation pyrosis (slipped disk)
57
what makes up super dismutase
Zn+Cu+Mn
58
what do super dismutase act as
an antioxidant that makes free radical oxygen into hydrogen peroxide
59
what do gluthionine peroxidase and catalase do?
convert hydrogen peroxide into water and oxygen
60
describe sulfur
required for microbial synthesis of sulfur-amino acids in rumen
61
what are the deficiencies of sulfur
reduced weight gain poor wool growth

ANS 328- Nutrition (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions