Page 34 - The Cell and Its Components

Activity:
1) Which of the following is NOT one of the four main
elements of an amino acid?
Hydrogen
Carbon
Nitrogen
Calcium
Oxygen
2) How many different kinds of amino acids are in our
bodies?
4
12
20
180
1,000
3) True or False: ALL amino acids in our bodies come
from food.
TRUE
FALSE
4) Proteins are made up of:
Short strands of RNA
Short strands of amino acids
Long chains of RNA
Long chains of amino acids
Different combinations of RNA and amino acids
5) What percentage of the human body is made up of
proteins?
5%
10%
20%
50%
100%
6) Why are proteins important?
Proteins are essential for survival
There are thousands of different proteins in the
human body