Biology 11 Chapter 2
Biological Molecules - 6
1.
Water and ________ are present throughout the cell?
a) Chemicals
b) Biochemicals
c) Electrolytes
d) Trace elements
2.
The function of the electrolyte is to establish (pick the wrong one)?
a) Membrane potential.
b) Biological Molecules
c) Osmotic gradients.
d) pH.
3.
The protoplasm has?
a) Nucleic acid and enzymes.
b) Biological Molecules
c) Proteins, carbohydrates and lipids.
d) Hormones and metabolites.
4.
Percentage of water in total cell weight is?
a) 75%
b) 60%
c) 80%
d) 70%
5.
Percentage of proteins in total cell weight is?
a) 18%
b) 16%
c) 17%
d) 19%
6.
Percentage of carbohydrates in total cell weight is?
a) 4.5%
b) 5%
c) 4%
d) 5.5%
7.
Percentage of lipids in total cell weight is?
a) 3.5%
b) 3%
c) 4%
d) 2.5%
8.
Percentage of DNA in total cell weight is?
a) 2.5%
b) 1.5%
c) 3.5%
d) 0.25%
9.
Percentage of RNA in total cell weight is?
a) 1.2%
b) 1.5%
c) 1%
d) 1.1%
10.
Percentage of other organic molecules in total cell weight is?
a) 1.2%
b) 2%
c) 1.5%
d) 2.1%
This is more feedback!
This is the feedback!
