WorksheetsChemistry of Life
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
DNA and RNA are examples of...
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids
2.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
3.
Phospholipids are used in what biological structure?
a)
RNA
b)
DNA
c)
Cell membrane
d)
Cell wall
4.
These molecules are examples of _________.
a)
amino acids
b)
triglycerides
c)
monosaccharides
d)
lipids
5.
How many protons does the element have if the atomic number is 19 and the atomic mass is 40?
a)
40
b)
19
c)
21
d)
59
6.
The _________ of an element equals the number of protons in an atom of that element
a)
mass number
b)
atomic weight
c)
atomic number
d)
isotopes
7.
The __________ of an atom is the sum of the protons and neutrons in the nucleus of that atom.
a)
mass number
b)
atomic number
c)
atomic category
d)
isotope weight
8.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
9.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
10.
Which solution releases H+ in solution?
a)
Base
b)
Acid
c)
Buffer
d)
Water
100 %
