Nutrition - Chapter 7 - Proteins
Identify the different levels of protein organization...
Tertiary structure, quaternary structure, secondary structure, and primary structure.
Proteins that are ____ need not to be consumed at the same meal but can be balanced over the course of a day to provide sufficient essential amino acids,
Complementary
What is it called when two sources of protein combine to form a complete protein, whereas by themselves, they supply an inadequate amount of essential amino acids?
Complementary protein
There are 9 ____ amino acids that cannot be produced by the body and must be consumed as part of our diet.
Essential
Blood proteins have what type of influence on body fluids?
Help to maintain body fluid
Amino acids are important in the synthesis of many ____, such as insulin and glucagon.
Hormones
There are a total of ____ nonessential amino acids that the body needs in order to function.
11
The body links ____ acids with peptide bonds to form proteins.
Amino
A(n) ____ is composed of 4 elements: a nitrogen, an acid, a hydrogen, and a side group.
Amino acid
What is the term used for the building blocks for proteins?
Amino acids
When a person has a protein deficiency it can result in immune incompetence called ____.
Anergy
Which of the following occurs with inadequate consumption of protein?
Edema can develop/Protein concentration in the blood drops.
When excess protein is consumed, it can be used for ____ or other purposes.
Energy
Animal proteins are a good source of all 9 ____, or indispensable, amino acids.
Essential
A high-protein diet can affect the kidneys by...
Increasing the production of urea
Pulses are a group of 12 crops, including...
Peas, beans and lentils
A(n) ____ bond is a chemical bond formed between single amino acids in a protein.
Peptide
The liver and kidneys must work hard to derive energy from the nutrient ____, which makes it a costly energy source of calories.
Protein
The nutrient that serves in the regulation and maintenance of the human body by aiding in fluid balance, cell synthesis and repair, hormone and enzyme production, and visual processes is...
Protein
A(n) ____ usually accompanies a deficiency of calories and nutrients.
Protein deficiency
Almost all enzymes are ____.
Proteins
Which nutrient plays a vital role in providing structural support to body cells and tissues?
Proteins
All of the following are components that make up an amino acid except...
Sodium
The amino group is in what form in the urine?
Urea
This is a measurement of how efficiently the absorbed food protein is converted into body tissue protein...
Biological value
An amino acid without an amino group is called a...
Carbon Skeleton
_____ is a measure of how efficiently the absorbed food protein is converted into body tissue protein.
Biological Value
The essential amino acid in lowest concentration in a food or diet relative to body needs is the...
Limiting amino acid
An essential amino acid
Must be included in the diet or a deficiency will occur/Cannot be synthesized by humans in sufficient amounts.
A(n) ____ protein balance occurs when a person consumes less protein than is needed.
Negative
Amino acids are unique among the energy-yielding nutrients because they contain...
Nitrogen
Proteins serve which of the following functions?
Proteins play a role in enzyme and hormone production/Proteins aid in cell synthesis/Proteins regulate and maintain essential body functions.