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45 Cards in this Set

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Essential amino acid (p)

Phenylalanine

Associated with a genetic disease requiring special protein supplements.

Essential amino acid (m)

Methionine

The first amino acid on any chain of protein in the body.

Essential amino acid (T)

Tryptophan

People talk about it in relation to thanksgiving turkey.

Essential amino acid (V)

Valine

Essential amino acid (h)

Hiatidine

Essential amino acid (I)

Isoleucine

Associated with a different amino acid.

Essential amino acid (L)

Leucine

Offen claimed to be low in vegans.

Essential amino acid (Ly)

Lysine

Often claimed to be the reason why vegans can't build muscle.

Essential amino acid (th)

Threonine

Non-essential amino acid (Al)

Alanine

Non-essential amino acid (AA)

Aspartic Acid

Non-essential amino acid (as)

Asparagine

Non-essential amino acid (g)

Glutamic acid

Non-essential amino acid (s)

Serine

Conditionally essential amino acid (A)

Arginine

Conditionally essential amino acid (c)

Cysteine

Conditionally essential amino acid (g)

Glutamine

People take this for their joints.

Conditionally essential amino acid (gl)

Glycine

Found in collagen

Conditionally essential amino acid (p)

Proline

Found in collagen

Conditionally essential amino acid (T)

Tyrosine

Has to be supplemented into vegan cat food.

Four parts of an amino acid

1. Central carbon


2. Acid group


3. Amino group


4. R group

Transamination

The transferring of an amino group from one amino acid to a different one.

Deamination

The removal of an amino group when it doesn't get attached to a different carbon skeleton.

Limiting amino acid

The amino acid in the smallest supply. Limits the proteins the body can make.

Bonds used to link amino acids

Peptide bonds

Primary structure of an amino acid

Sequence of amino acids. This determines the protein's shape.

Secondary structure of proteins

The shape that the amino acid chain twists into, formed by weak bonds between the amino acids.

Tertiary structure of proteins

Three dimensional folding of twisted chains, overall shape.

Quarter art structure of proteins

2 or more peptides interacting.

Nitrogen Balence

Method to determine protein need.

Negative nitrogen balence

A person is eating less protein than they need.


Can lead to diseases that increase protein breakdown.

Positive protein balence

Protein intake greater than losses


Occurs durring growth, recovery and intense athletic training.

RDA for protein

0.8 g per kg bodyweight

AMDR for protien

10% - 35% of calories

Stomach enzyme for protien breakdown

Pepsin

Hormones secreted when protein exits the stomach

Secretin


Cholecystokinin

Enzymes for protein digestion

Trypsin


Chymotrypsin


Carboxypeptidase

Peptide absorption

1. Active absorption absorption into cells


2. Continue to be digested


3. Transformed in the liver

Uses for proteins

1. Protein synthesis


2. Energy needs


3. Conversion to fat or carbs

Function of albumin and globulin

These proteins maintain fluid balance in the blood and can drop when people do not eat enough protein.

How do proteins help acid-base balance?

They pump ions into and out of cells by attracting positively charged hydrogen ions.

How do proteins contribute to immune function?

Antibodies are proteins and without enough of them your body's ability to fight infection is reduced.

Retinal-binding protein

Protein that carries vitamin A

Transferin and ferritin

Proteins that carry and store iron

Ceruloplasmin

Protein that carries copper.