SAS #3: PROTEINS Flashcards

(39 cards)

1
Q

an amino acid that contains one amino group, one carboxyl group, and a nonpolar side chain. G,A,V,L,I,P,F,M,W

A

Nonpolar amino acid

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2
Q

an amino acid that contains one amino group, one carboxyl group, and a side chain that is polar but neutral. S,C,N,T,Q,Y

A

Polar Neutral

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3
Q

an amino acid that contains two amino groups and one carboxyl group, the second amino group being part of the side chain.

A

Polar Basic

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4
Q

is an amino acid that contains one amino group and two carboxyl groups, the second carboxyl group being part of the side chain. D,E

A

Polar acidic

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5
Q

Necessary for the synthesis of neurotransmitter serotonin (5-hydroxytryptamine). A natural relaxant, helps alleviate insomnia by inducing normal sleep; reduces anxiety and depression.
-Can be metabolized to niacin Vit. B3 if needed
-Used to synthesized melatonin (5-methoxy-N-acetyltryptamine)

A

Trp

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6
Q

Precursor of dopamine, norepinephrine, epinephrine Promotes healthy thyroid functioning

A

Tyr

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7
Q

enhance energy, increase endurance, and aid in muscle tissue recovery and repair. -lowers elevated blood sugar levels and increases growth hormone production.

A

Val, lle, Leu

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8
Q
  • precursor for L-carathine which is essential for healthy nervous system function.
  • for adequate absorption of calcium and bone development in children
A

Lys

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9
Q
  • Is antioxidant. It helps in breakdown of fats and aids in reducing muscle degeneration. Helps lower cholesterol levels by increasing the liver’s production of lecithin; reduces liver fat and protects the kidneys.
    -principle supplier of sulfur, which inactivates free radicals. Is a natural chelating agent for heavy metals and helps detoxify the body of these metals.
    -Adequate methionine prevents disorders of the hair, skin and nails;
A

Met

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10
Q

Beneficial for healthy nervous system. It may be useful against depression and suppressing appetite. -Used to produce dopamine and norepinephrine, chemicals that promote alertness, elevate mood, decrease pain, aid in memory and learning, and reduce hunger and appetite.

A

Phe

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11
Q

Removes toxic substances released from breakdown of muscle protein during intensive exercise

A

Ala

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12
Q

antioxidant (free radical scavenger), and has synergetic effect when taken with other antioxidants such as vitamin E and selenium.

A

Cys

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13
Q

Promotes healthy brain function. It is also necessary for the synthesis of RNA and DNA molecules.

A

Gln

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14
Q

Component of skin and is beneficial for wound healing. It acts as neurotransmitter

A

Gly

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15
Q

Important for the synthesis of red and white blood cells.
It is a precursor for histamine which is good for sexual arousal. Improve blood flow.

A

His

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16
Q

It helps promote equilibrium in the central nervous system—aids in balancing state of emotion.

17
Q

Enhances stamina, aids in removal of toxins and ammonia from the body, and beneficial in the synthesis of proteins involved in the immune system.

18
Q

plays role in intracellular signaling

19
Q

plays role in blood vessel relaxation, stimulating and maintaining erection in men, production of ejaculate, and removal of excess ammonia from the body.

20
Q

• is a molecule that has a positive charge on one atom and a negative charge on another atom, but which has no net charge.
• the net charge on a zwitterion is zero even though parts of the molecule carry charges

21
Q

Uterus-Contracting Hormone (also stimulates lactation)

22
Q

Enhances reabsorption of free water and plays a role in Blood pressure control

A

Vasopression (ADH or antidiuretic hormone)

23
Q
  • pain killers
  • neuromodulators in the brain and spinal cord; involved with pain perception, movement, mood, behavior, and neuroendocrine regulation.
A

Enkephalins (5)

24
Q

Found in most living cells as antioxidant & promote tissue growth

A

Glutathione (3)

25
Hypothalmic Neurohormone (governs release of thyrotropin) or TSH or thyroid-stimulating hormone)
TRH (Thyrotropin Releasing Hormone) (3)
26
Pressor Agent. Can increase blood pressure by vasoconstriction.; can also trigger thirst or the desire for salt. Is responsible for the release of the pituitary gland's ADH
Angiotensin II (8)
27
Inhibits Growth Hormone Release (used to treat ulcers)
Somatostatin (14)
28
Hypotensive Vasodilator (acts on smooth muscle)
Bradykinin (9)
29
Potent Vasoconstrictor (structurally similar to some snake venoms)
Endothelin (21)
30
Honey Bee Venom (used to treat rheumatism)
Mellitin (26)
31
Hyperglycemic Factor (used as an anti-diabetic)
Glucagon (29)
32
Pancreatic Hormone (used in treatment of diabetes)
Insulin (51)
33
a protein in which only one peptide chain is present.
MONOMERIC PROTEIN
34
is a protein in which more than one peptide chain is present. •The peptide chains present are called protein subunits.
MULTIMERIC PROTEIN
35
A protein in which only amino acid residues are present.
Simple Protein
36
is a protein that has one or more non-amino acid entities present in its structure in addition to one or more peptide chains.
CONJUGATED PROTEIN
37
These include substances formed from simple conjugated proteins.
DERIVED PROTEIN
38
•Protein whose molecules have an elongated shape with one dimension much longer than the others. • Properties: •Tend to have simple, regular and linear structures. •Largely insoluble in ordinary aqueous media •Molecular weights are high •Functions is for structural and support
FIBROUS
39
•molecules have peptide chains that are folded into spherical or globular shapes. •The folding in such that most of amino acids with hydrophobic side chains (nonpolar R groups) are in the interior of the molecules and most of the hydrophilic side chains (polar) are on the outside of the molecule. • Properties: •Soluble in aqeous media •Have been crystallized and have definite molecular weights •Can be denatured
GLOBULAR