BIOLOGY 101 STUDY TEST QUESTIONS
WITH CORRECT ANSWERS
Which of the following is responsible for making every amino acid unique - Answer- the
r group
A molecule that has an important role in long term storage of energy in animals stored
in the liver - Answer- glycogen
Lipids are - Answer- important constituents to biological membranes important for
energy storage and hydrophobic
The main function of cellulose the most abundant organic compound on earth is -
Answer- to provide mechanical strength to plant cell walls
Which of the following statement about proteins are true - Answer- some function as
enzymes
The hydrogen bond between water molecules arises water is - Answer- polar
The mass number of an atom is determined primarily by the - Answer- sum of the
numbers of proteins and neutrons it contains
Two atoms are held together in a covalent bond because of forces between - Answer-
the electrons
Sweating is a useful cooling device for humans because water - Answer- takes up a
great deal of heat in changing from its liquid state to its gaseous state
If you place a tube in a dish of water the water will move up the tube by capillary action
because - Answer- water can form hydrogen bonds and are sticky to each other
In a biological membrane the phospholipids are arranged with the fatty acid chains
facing the interior of the membrane. as a result the interior of the membrane is -
Answer- hydrophobic
all living organisms utilize - Answer- energy
WITH CORRECT ANSWERS
Which of the following is responsible for making every amino acid unique - Answer- the
r group
A molecule that has an important role in long term storage of energy in animals stored
in the liver - Answer- glycogen
Lipids are - Answer- important constituents to biological membranes important for
energy storage and hydrophobic
The main function of cellulose the most abundant organic compound on earth is -
Answer- to provide mechanical strength to plant cell walls
Which of the following statement about proteins are true - Answer- some function as
enzymes
The hydrogen bond between water molecules arises water is - Answer- polar
The mass number of an atom is determined primarily by the - Answer- sum of the
numbers of proteins and neutrons it contains
Two atoms are held together in a covalent bond because of forces between - Answer-
the electrons
Sweating is a useful cooling device for humans because water - Answer- takes up a
great deal of heat in changing from its liquid state to its gaseous state
If you place a tube in a dish of water the water will move up the tube by capillary action
because - Answer- water can form hydrogen bonds and are sticky to each other
In a biological membrane the phospholipids are arranged with the fatty acid chains
facing the interior of the membrane. as a result the interior of the membrane is -
Answer- hydrophobic
all living organisms utilize - Answer- energy
