Proteins and Enzymes Flashcards
Proteins have many different functions, where?
In our bodies
What are proteins?
Polypeptides made from amino acids
What do amino acids contain?
An amino group and a carboxylic group
What does an amino group look like?
(-NH2)
What does a carboxyl group look like?
(-COOH)
How many amino acids are there in our body that are needed to make proteins?
20 different types
Ten amino acids must be obtained from? What are these referred to as?
Must be obtained from dietary proteins these are essential amino acids
Amino acids join to form proteins. What kind of reaction is this called?
A condensation reaction
What is the link that joins amino acid residues in polypeptide chains?
Peptide (amide) link
Most enzymes are proteins. What do these act as?
Biological catalysts
During digestion, what do enzymes do?
Enzymes break proteins into smaller peptide chains and amino acids
The breakdown of proteins during digestion is an example of?
Hydrolysis
