Proteins

Question 1

Proteins have many _____ and __________ in living things, and can come in many different forms.

Answer 1

roles, functions

Question 2

Proteins make up our muscle and cartilage

Answer 2

motion and support

Question 3

Cell transport:

Answer 3

cell membrane contain proteins which act as “doors” to let stuff in and out of the cell.

Question 4

defense:

Answer 4

antibodies are made up of proteins which help prevent infection.

Question 5

enzymes:

Answer 5

enzymes are made up of proteins. Enzymes speed up chemical reactions.