BIOLOGICAL MOLECULES (PROTEINS) Flashcards
1
Q
What are the basic unit of all protein molecules?
A
amino acids
2
Q
How many different types of amino acids are there?
A
20 different types
3
Q
Why is the order of amino acids important?
A
they change the proteins shape
4
Q
What happens to proteins in digestion?
A
Pepsin(enzyme) breaks down long chains of amino acids
to single amino acids.
5
Q
What are the role of proteins?
A
cell growth and repair of tissues
6
Q
how much of the body’s mass are proteins?
A
18%
7
Q
What foods are proteins most commonly found?
A
Meat,fish, eggs
8
Q
What else do proteins do?
A
Protein regulates and maintains body functions; structural (connective tissues) protective (tears, mucus) transport (hormones) (protein synthesis)
9
Q
How come there are thousands of proteins?
A
proteins can be arranged in any order resulting in thousands
