Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
The most important proteins are called _________.
|
The most important proteins are called ENZYMES.
|
|
Enzymes are molecules that _______ the reactions that ______
life. |
Enzymes are molecules that CATALYZE the reactions that SUSTAIN sustain life.
|
|
Almost everything that happens in the body happens because a specific ________makes it possible.
|
Almost everything that happens in the body happens because a specific ENZYME makes it possible.
|
|
For an enzyme to catalyze a reaction it must first bind to _______.
|
For an enzyme to catalyze a reaction it must first bind to SUBSTRATES.
|
|
Substrates bind to proteins through a region called the _______ site.
|
Substrates bind to proteins through a region called the ACTIVE site.
|
|
When a substrate binds with an enzyme it creates a _______.
|
When a substrate binds with an enzyme it creates a PRODUCT.
|
|
Enzymes catalyze these 4 reactions
(REDS) |
Enzymes catalyze these 4 reactions
1. Reversable reactions 2. Exchange reactions 3. Decomposition reactions 4. Synthesis reactions |
|
Enzymes have 3 characteristics:
(SSR) |
Enzymes have 3 characteristics:
Saturation limits -- the substrate concentration needed to have maximum reaction. Specificity - Catalyzing one type of reaction. Regulation - active/inactive only under certain of conditions. |
|
A cofactor is an ____ or ____ that must ___ to the ______ before substrates bind to it.
|
A cofactor is an ION or MOLECULE that must BIND to the ENZYME before substrates bind to it.
|
|
Coenzymes are ______ organic molecules that function as ________.
|
Coenzymes are NON PROTEIN organic molecules that function as COFACTORS.
|
|
Enzymes are affected by ________ and ______.
|
Enzymes are affected by TEMPERATURE and PH.
|
|
When a protein is destroyed by high temperatures or Ph alterations it is __________.
|
When a protein is destroyed by high temperatures or Ph alterations it is DENATURED.
|
|
A fried egg is an example of a protein that has been ___________.
|
A fried egg is an example of a protein that has been DENATURED.
|
|
Glycoproteins and Proteoglycans are combinations of _______ and ______ molecules.
|
Glycoproteins and Proteoglycansare combinations of PROTEIN and CARBOHYDRATE molecules.
|
|
Glycoproteins identify ______ and _____ cells in the plasma membranes.
|
Glycoproteins identify NORMAL and ABNORMAL cells in the plasma membranes.
|
|
Glycoproteins form mucus to ______.
|
Glycoproteins form mucus to LUBRICATE.
|
|
Glycoproteins are large proteins with _____ carbohydrate groups attached.
|
Glycoproteins are large proteins with SMALL carbohydrate groups attached.
|
|
Glycoproteins can serve in the plasma membrane as: (PHAEz)
|
Glycoproteins can serve in the plasma membrane as:
1. Proteins/hormones 2. Antibodies 3. Enzymes |
|
Hemoglobin is a type of _____ protein
|
Hemoglobin is a type of GLOBULAR protein
|
|
Enzyme variants where they differ slightly in structure but catalyze the same reaction are called ____.
|
Enzyme variants where they differ slightly in structure but catalyze the same reaction are called ISOZYMES.
|
|
To go beyond its saturation point an enzyme must increase the number of its __________.
|
To go beyond its saturation point an enzyme must increase the number of its MOLECULES.
|
|
Co-factors give enzymes the ability to ________ a specific reaction.
|
Co-factors give enzymes the ability to CATALYZE a specific reaction.
|
|
Proteoglycans are large polysaccharide molecules linked by
___________ chains. |
Proteoglycans are large polysaccharide molecules linked by
PEPTIDE chains. |