QUESTIONS AND CORRECT ANSWERS
Protein contains - CORRECT ANSWER Hydrogen, Oxygen, Nitrogen
Protein - CORRECT ANSWER compounds composed of carbon, hydrogen, oxygen,
and nitrogen and arranged as strands of amino acids.
Amino acid side chains - CORRECT ANSWER Valine - 3 carbon
Leucine - 4 carbon
Tyrosine - 7 carbon
Amino acids: - CORRECT ANSWER are the building blocks of protein
State the different paths an amino acid can take once it is in a cell - CORRECT
ANSWER - The amino acid can be used as is to build part of a growing protein
- Make another needed compound, such as the vitamin niacin
- Make another type of amino acid
- Convert to glucose and burned as energy or stored as glycogen
- Convert to fat and burned for energy or stored in adipose tissue
Amino Acid Side Chains - CORRECT ANSWER Size
Shape
Electrical charge
3 Amino Acids - CORRECT ANSWER Valine
Leucine
Tyrosine
,Polypeptide - CORRECT ANSWER protein fragments of many (more than 10) amino
acids bonded together (Poly means "many").
Dipeptide - CORRECT ANSWER protein fragments that are two amino acids long (di
means "two")
Tripeptide - CORRECT ANSWER protein fragments that are 3 amino acids long (tri
means"three")
HCl - CORRECT ANSWER a strong corrosive acid of hydrogen and chloride atoms,
produced by the stomach to assist in digestion. Denatures protein→ uncoils the strands
Electrolyte balance: - CORRECT ANSWER the distribution of fluid and dissolved
particles among body compartments
Enzyme: - CORRECT ANSWER proteins that facilitate chemical reactions without
being changed in the process; protein catalysts.
Edema: - CORRECT ANSWER swelling of body tissue caused by leakage of fluid
from the blood vessels; seen in protein deficiency (among other conditions).
Limiting amino acid - CORRECT ANSWER an essential amino acid that is present in
dietary protein in an insufficient amount, thereby limiting the body's ability to build protein.
7 Roles of Protein - CORRECT ANSWER 1. Supporting growth and maintenance
2. Building enzymes, hormones, and other compounds
3. Transport and reddit recognition proteins
4. Building antibodies
5. Maintaining acid base balance
6. Maintaining fluid and electrolyte balance
7. Energy (and energy storage)
, Protein synthesis: - CORRECT ANSWER the sequence of our protein determined by
our genes
Where does chemical digestion of protein begin? - CORRECT ANSWER In the
stomach when acid denatures the protein
The stomach lining is protected from the very strong acid of the stomach by: - CORRECT
ANSWER a coat of mucus
About how many amino acids are considered to be essential amino acids? - CORRECT
ANSWER 9
During protein formation, if an essential amino acid is missing, what can happen to the
remaining amino acids? - CORRECT ANSWER They are used to create energy
Essential amino acid: - CORRECT ANSWER amino acids that either cannot be
synthesized at all by the body or cannot be synthesized in amounts sufficient to meet
physiological needs.
The disease that is characterized by accumulation of deposits within the arteries resulting in
inflexibility of the vessel and potential blocagie is named - CORRECT
ANSWER Atheroscierosis
Which fatty acids elevate LDL cholesterol and thus elevate the risk of heart disease and heart
attack? - CORRECT ANSWER trans fatty acids
Muscle cell, lipid and calcium deposits in the artery walls is the defintion in which term -
CORRECT ANSWER Plaque
Which of the following is a characteristic of LDL - CORRECT ANSWER It is less
dense than HDL