Biology Protein Sheet
We BUILD UP (Synthesis) polypeptides by linking
together many small amino acids. Water removed
(dehydration) to form bond between molecules
Name ____________________
____________________________________
Monomer of Proteins
Called _______________________
Synthesis (building up)
20 DIFFERENT KINDS!!!!!
Basic Structure ( r side chain is what is
different for each amino acid.)
Protein Food
Meat, Dairy, Eggs, Beans, Nuts
Polymer of Proteins called
_______________________
Key Point! When we link together amino acids, there
is no oxygen left over. The bond that forms between
the carbon and nitrogen is called a
_______________________________
Decomposition (breaking down)
We BREAK DOWN polypeptides into many small
amino acids. Water is added (hydro) to split bonds
(lysis) between molecules
____________________________________
Biology Protein Sheet
Name ____________________
Functions of Proteins
- _____________________ - muscle, bone, skin, connective tissue, organs etc.
- _____________________ - these help control chemical reactions in our body
- _____________________ - these are chemical messengers in our body
- _____________________ - help fight off infectious diseases
Significance of 20 different amino acids?
- Since we need 20 different ones, we need to make sure we consume the right amount of protein in our diet.
o _____________________________ - amino acids we MUST consume……
o _____________________________ - amino acids our own bodies can make.
Shape of Proteins
- Because each protein we make serves a different function in life, they need to have a specific shape to do their
job. There shape is determined by their order of amino acids!
- If a protein’s shape is changed then it is called ________________________________
o Ways to denature proteins include
 ____________________ ex. Cooking, heat stroke
 ____________________ Ex. Spoiled milk