02 PROTEINS: intro + amino acids Flashcards
Large, complex molecule comprised of 200 to 300 amino acids
proteins
Amino acids that can not be synthesized in vivo at a fast enough rate and must be acquired through diretary intake
essential amino acids
Amino acid responsible for myelin sheath synthesis
Histidine
Amino acid responsible for the synthesis of blood cells
Histidine
Amino acid responsible for the protection from heavy metals
Histidine
Amino acid responsible for DNA and RNA synthesis
Histidine
The 3 branched-chain amino acids
Leucine
Isoleucine
Valine
Branched-chain amino acid responsible for growth hormone production
Leucine
Branched-chain amino acid responsible for hemoglobin production
Isoleucine
Main function of the branched-chain amino acids
muscle growth & repair, tissue repair
Amino acid responsible for the production of Igs
Lysine
Amino acid responsible for calcium control and absorption
Lysine
Amino acid responsible for collagen formation
Lysine
Amino acid responsible for translation of mRNA
Methionine
Essential amino acid containing sulfur
Methionine
Precursor of cysteine
Methionine
Amino acid responsible for absorption of Se and Zn
Methionine
Amino acid that reacts with ATP in the synthesis of epinephrine and norepinephrine
Methionine
Precursor of tyrosine
Phenylalanine
Essential amino acid responsible for metabolic procees
Phenylalanine
Essential amino acid that is important in the synthesis of catecholamines
Phenylalanine
Essential amino acid important in protein balance
Threonine
Essential amino acid important in liver function
Threonine
Essential amino acid important in metabolism of porphyrins and fats
Threonine
Essential amino acid important in the synthesis of serotonin and melatonin
Tryptophan
Essential amino acid important in niacin (Vit B3) production
Tryptophan
Non-essential amino acid involved in the energy-producing breakdown of glucose
Alanine
Non-essential amino acid that plays an important role in transferring of nitrogen from peripheral tissues to the liver
Alanine
Non-essential amino acid that is a product of breakdown of DNA of the dipeptides, anserine and carnosine, and conversion of pyruvate
Alanine
The most abundant amino acid involved in the transport of nitrogen
Asparagine
Non-essential amino acid that is required by the nervous system and plays an important role in the synthesis of ammonia
Asparagine
Non-essential amino acid that is a metabolite in the citric acid cycle and the urea cycle
Aspartate
Non-essential amino acid that plays a role in gluconeogenesis
Aspartate
Non-essential amino acid that is responsible for energy production
Aspartate
Non-essential amino acid that may be essential for infants, the elderly, and individuals with certain metabolic diseases or malabsorption syndrome
Cysteine
Oxidized from of cysteine
Cystine
Non-essential amino acid that has significant antioxidant properties
Cysteine
Non-essential amino acid that is a constituent in the food, pharmaceutical, and personal care industries
Cysteine
A non-essential amino acid which plays a role in neurotransmission (GABA)
Glutamate
The dysregulation of this amino acid has been linked to epileptic seizures
Glutamate
Non-essential amino acid responsible for the umami taste
Glutamate
Glutamate has a net ___ charge
negative
Most abundant amino acid in the body
Glutamine
An amino acid converted into glucose when more glucose is required for energy and aids in immune function
Glutamine
A non-essential amino acid that acts as the basis of the building blocks for synthesis of RNA and DNA
Glutamine
A non-essential amino acid marketed as a supplement used for muscle growth in weightlifting and bodybuilding
Glutamine
A non-essential amino acid that plays a role in renal maintenance of acid-base balance
Glutamine
A non-essential amino acid responsible for the metabolism of sugars and fats
Glutamate
A non-essential amino acid synthesized from serine
Glycine
The only amino acid not active because it has no stereoisomers
Glycine
A non-essential amino acid that play as an inhibitory neurotransmitter in the CNS
Glycine
A non-essential amino acid that retards muscle degeneration, improves glycogen storage, and promotes healing
Glycine
A non-essential amino acid produced from glutamate
Proline
A non-essential amino acid that functions in tandem with Vitamin C to promote healthy connective tissues
Proline
A non-essential amino acid synthesized from 3-phosphoglycerate
Serine
A non-essential amino acid that is highly concentrated in all cell membranes and is a component of the protective myelin sheaths surrounding nerve fibers
Serine
Non-essential amino acid that is metabolically synthesized from phenylalanine
Tyrosine
Non-essential amino acid that plays a role in the overall metabolism and aiding in function of the adrenal glands, thyroid, and pituitary glands
Tyrosine
Non-essential amino acid that acts as a mood elevator, useful in treatment of chronic fatigue, narcolepsy, anxiety, depression, low sex drive, allergies, and headache
Tyrosine
Selenocysteine is encoded by a ___ codon
UGA
Pyrrolysine is encoded by the ___ codon
UAG
T/F: pyrrolysine is not present in humans and only in prokaryotic and single-celled microorganisms
T
tHIV-1 encodes a functional selenoprotein, and px. with HIV have been shown to have ___-than-average blood plasma selenium level
lower
Non essential amino acid important in the production of antibodies
Serine
Non essential amino acid important in the production of antibodies
Serine