What is a protein?
Proteins are...
What are macromolecules composed of amino acids?
Three basic steps
What are transcription, translation, & protein folding?
The stomach releases gastric juices containing this which initiate the breakdown of the protein
What is hydrochloric acid & pepsin?
Most abundant protein in the human body
What is collagen?
The equation to determine recommended amount of protein/day
What is (wt in lbs/2.2kg/lb) x 0.8 g/kg?
Amino acids are...
What are building blocks of protein?
Copying of the genetic information in double stranded DNA into single stranded RNA
What is transcription?
What is chyme?
Proteins most extraordinary function
What are enzymes?
Foods that contain some but not all of the essential amino acids
What are incomplete proteins?
Proteins differ from carbohydrates and fat because...
What is they contain nitrogen?
During translation, each amino acid is connected to the next amino acid by a chemical bond
What is a peptide bond?
All cells continually break down proteins & build new ones
What is protein turnover?
Two proteins that play a role in molecular transport
What is albumin & hemoglobin?
Muscle mass & strength gradually decline
What is sarcopenia?
Non-essential amino acids
What is the body can synthesize them?
RNA instructs cells to gather necessary amino acids & add them to a growing protein chain in a very specific order
The majority of protein digestion occurs here
What is the small intestine?
Chemical messengers produced by the endocrine gland
What are hormones?
Recommended g/kg protein intake for athletes
What is 1.2-20g/kg?
Essential amino acids
What is the body cannot synthesize them & must be obtained from diet?
Protein's four structural levels
Primary, secondary, tertiary, and quaternary
The two major pancreatic enzymes that digest proteins
What are chymotrypsin & trypsin?
Protein that protects against unwanted intruders
What are antibodies?
Protein in grams in 3oz of salmon
What is 18.8g?