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Ani Nut Lec > Proteins > Flashcards

Proteins Flashcards

1
Q

Building blocks of protein

A

Amino Acid

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2
Q

Other atoms/building blocks of protein

A

C, H, O, N, some S, P, Fe

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3
Q

—% of the total protein that is nitrogen

A

16%

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4
Q

Amino Acids are linked by

A

Peptide Bonds

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5
Q

Molecule with functional groups, least one has a positive and one has a negative electrical charge

A

Zwitterion

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6
Q

Crude Protein =

A

true protein + npn

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7
Q

Net charge of the entire molecule of Zwitterion

A

Zero

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8
Q

Functions of Protein

A
  • Structural Component
  • Metabolic Activities as enzymes
  • Tissue maintenance and repair
  • For animal’s growth and development
  • Endocrine control as hormones
  • Production (milk, meat, egg, and wool)
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9
Q

What are the structures of protein?

A

Primary, Secondary, Tertiary, Quarternary

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10
Q

Structure that contains sequence of Amino Acid

A

Primary Structure

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11
Q

Structure that is multi-sub-unit structure stabilized by non-covalent interactions

A

Quaternary Structure

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12
Q

Secondary Structure

A

conformation of the amino acid chain by hydrogen bonds

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13
Q

Tertiary Structure

A

Bending and folding of polypeptide chains giving a characteristic biological activity

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14
Q

Classification of Proteins

A

Simple Protein and Conjugated Protein

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15
Q

Composed solely of amino acids or their derivatives upon hydrolysis. Classified based on their solubility and biological function

A

Simple protein

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16
Q

Fibrous protein contains

A

collagen, elastin, keratins, myosin and tropomyosin

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17
Q

Groups in simple protein

A

Fibrous and Globular

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18
Q

Insoluble in water but can increase solubility by changing salt concentration

A

Globular

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19
Q

Soluble in water and salt solution

A

Albumins

20
Q

Examples of Globular

A

Globulins, Albumins, Histones, Protamines

21
Q

Globular that is soluble in salt solution

A

Histones

22
Q

Globular that is insoluble in water and ethanol, but soluble in 70-80% ethanol solution

A

Protamines

23
Q

Conjugated Proteins

A

amino acid + np molecule

24
Q

Groups in Conjugated bonds

A

Nucleoproteins, Phosphoproteins, Lipoproteins, Glycoproteins

25
Q

Vehicle for transport of fat in the blood, cholesterol, triglycerides

A

Lipoproteins

26
Q

Other Nitrogenous compounds

A

Amines, Amide, Nitrates, Alkaloids

27
Q

converted to toxic nitrite in rumen

A

Nitrates

28
Q

Poisonues nitrogen-containing compounds formed by some plants and fungi

A

Alkaloids

29
Q

Containing one or more amino groups and carboxyl group and is the basic structural units of protein

A

Amino Acid

30
Q

Classification of Amino Acids

A

Aliphatic, Aromatic, Heterocyclic

31
Q

Classifiction of AA with long C chain

A

Aliphatic

32
Q

Groups of Aliphatic AA

A

Monoamino-monocarboxylic, Diamino-Monocarboxylic, Monoamino-Dicarhoxylic, Sulfur Containing AA

33
Q

Which group has a neutral in aliphatic

A

Mono-Mono

34
Q

Which group has a acidic in aliphatic

A

Mono-Di

35
Q

Which group has a base in Aliphatic

A

Di-mono

36
Q

Classification of protein that has benzene ring

A

Aromatic

37
Q

groups/example in Aromatic

A

Phenylalanine and Tyrosine

38
Q

Classification of AA with closed chain or ring

A

Heterocyclic

39
Q

Groups/example of heterocyclic

A

Histidine, proline, tryptophan

40
Q

Needed by the animal and cannot be synthesized fast enough to meet the body’s requirements and therefore must be supplied in the feed protein or diet

A

Essential Amino Acids

41
Q

EEA is also referred as

A

Dietary Essentials or Indispensable AA

42
Q

Needed by the animal but can be formed from other amino acids by the animal and so does not have to be present(in that particular amino acid) in the protein of feeds.

A

Nonessential Amino Acids

43
Q

NEAA are also referred to as

A

Dietary Nonessential or Dispensable Amino Acid

44
Q

Neutral AA is absorbed

A

Fastest

45
Q

Acidic AA absorbed

A

slowest

Ani Nut Lec (2 decks)

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