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Proteins ~
Notes taken on proteins in Honors Biology
35
Biology
9th Grade
10/25/2011

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Cards

Term
how many calories per gram does protein contain?
Definition
4
Term
What do proteins help build in your body?
Definition
tissues
Term
What does protein regulate?
Definition
cell processes
Term
What does protein help the body fight?
Definition
disease
Term
What structures does protein help form?
Definition
cell structures
Term
What does protein control the rate of?
Definition
chemical reactions
Term
What elements are found in proteins?
Definition
carbon, hydrogen, oxygen, nitrogen
Term
What are the building blocks of proteins?
Definition
amino acids
Term
What is the difference between essential amino acids and non-essential amino acids?
Definition
the body can make non-essential amino acids, and the body cannot make essential amino acids.
Term
Where must you obtain essential amino acids?
Definition
from an outside source
Term
How many amino acids are there?
Definition
20
Term
What plant products contain essential amino acids?
Definition
beans, seeds, grain
Term
What type of hormone controls blood sugar?
Definition
insulin
Term
What are the 3 enzymes?
Definition
amylase, protease, lipase
Term
What are the 3 structural components?
Definition
keratin, collagen, fibroia
Term
What is a peptide bond?
Definition
the bond that is formed when 2 amino acids combine by dehydration synthesis
Term
What are the different functions of proteins determined by?
Definition
the R groups of amino acids they contain
Term
What are most enzymes sensitive to?
Definition
changes in temperature or pH
Term
What are the 4 levels of protein structure?
Definition
Primary, secondary, tertiary, quaternary
Term
Where are proteins made?
Definition
ribosome
Term
What does the primary structure show?
Definition
the actual sequence of amino acids in a polypeptide
Term
What does the secondary structure show?
Definition
how the primary structure is coiled and bent
Term
What is Alpha Helix also known as?
Definition
Keratin
Term
What are common things made with keratin?
Definition
hair, fingernails, skin
Term
What are beta-pleated sheets also known as?
Definition
fibroin
Term
What fibers does fibroin make?
Definition
silk, spider webs
Term
What are the 2 types of secondary structure?
Definition
alpha helix, beta-pleated sheets
Term
What does tertiary structure show?
Definition
How the secondary structure folds into a compact mass and gives the protein its overall chape and function
Term
What type of structure do enzymes have?
Definition
Tertiary structure
Term
What is quaternary structure made up of?
Definition
2 or more polypeptides joined together
Term
What is the structure of insulin?
Definition
quaternary structure
Term
What molecules make up insulin?
Definition
2 alpha helix, 2 beta-pleated
Term
What is an amino group?
Definition
the end arrangement in amino acids that have a nitrogen atom and 2 hydrogen atoms
Term
do all amino acids have an amino group?
Definition
yes
Term
What type of alcohol is usually attached to 3 fatty acids, forming a triglyceride?
Definition
Glycerol
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