Enzymes Flashcards
What is Phenylketonuria?
Congenital disability caused by the build up of phenylalanine (amino acid).
PKU test is taking…
blood from heel or bending arm ( on babies )
How do you treat PKU?
Strict diet with reduced proteins.
What is an Enzyme?
a substance that increases a the rate of a reaction
Enzyme examples are …
Protein and Catalysis
A enzyme substrate must fit like a …
charging cable to a phone
Enzymes cannot be…
destroyed but are reused
Proteins are made up of …
amino acids
Amino Acids are joined by what to make proteins?
peptide bonds
Several peptide bonds =
polypeptide
Amino acids are the building blocks for …
Enzymes
Amino acids are a simple …
molecular structure
Peptide bonds are formed between two molecules when …
carboxyl group (COOH) reacts with the amine group
(NH2)
The only difference between amino groups is …
the R group
What is a monomer ?
one amino acid
Amino acids bind by a …
condensation reaction
A condensation reaction is the …
chemical reaction that joins two
molecules together by removing water.
Protein shape determines …
the function
What are the four level of protein structure?
Primary, Secondary, Tertiary, and Quaternary
Primary structure is specific …
sequence of amino acids in a polypeptide
Most common type of Secondary structure is alpha …
helices and beta-
pleated sheets.
A Tertiary Structure is a three dimensional shape with …
a single polypeptide chain backbone and more protein secondary structures
Quaternary Structure consist of several protein chains that are …
closely packed
Each subunit of Quaternary structure consist of …
primary, secondary, and tertiary structure held together by hydrogen bonds