Organic Compounds
Water is LIFE!
Chemical Bonds
Cellular Processes
Energy
100
Which of the following is NOT an example of a carbohydrate?
a. sugars c. polysaccharides
b. monosaccharides d. triglycerides
d. triglycerides
100
True or False: Water is a universal solvent?
True
100
A chemical bond is?
a force of attraction that holds atoms or ions together to form molecules and other structures
100
important energy source for cells
glucose
100
What is the name of the molecule that provides energy to cells?
ATP
200
Which of the following statements about proteins is NOT true?
Proteins are composed of long chains of sugars.
Enzymes are proteins.
Collagen and keratin are structural proteins.
The shape of a protein is important to its function.
Proteins are composed of long chains of sugars.
200
Which of the following statements about acids and bases is NOT true?
a. Acids are stronger than bases
b. Acids have higher H+ concentration
c. 7 is neutral
d. pH 9 indicates a base
a. Acids are stronger than bases
200
bond formed by sharing electrons
covalent bond
200
control center of a cell; contains DNA
nucleus
200
When muscles use energy they perform a movement called?
contraction
300
Which of the following is NOT correctly matched?
a. DNA – nucleic acid
b. glucose – carbohydrate
c. phospholipids – nucleic acid
d. starches – carbohydrate
b. phospholipids – nucleic acid
300
Which of the following statements about water is NOT correct?
a. Water does not change temperature easily.
b. It is an excellent solvent because it is a polar molecule.
c. Water is an organic compound
d. It can be a protective cushion for some body structures.
c. Water is an organic compound
300
Which statement about chemical bonds is NOT true?
Hydrogen bonds are weak bonds that hold water molecules together.
Most organic compounds are formed by covalent bonds.
Covalent bonds involve an attraction between ions.
Covalent bonds involve an attraction between ions.
300
modified nucleic acid that provides energy for cellular work
ATP
300
functional proteins that increase the rate
of chemical reactions
enzymes
400
Which of the following is NOT one of the four groups of organic compounds?
Carbohydrates c. Nucleic Acids
Proteins d. Triglycerides
d. Triglycerides
400
What are the possible states of water?
solid, gas and liquid
400
bond formed by a transfer of electrons
ionic bond
400
What are the products of Cellular respiration?
Carbon Dioxide, water, ATP
400
Which part of the cell creates ATP?
Mitochondria
500
What is the purpose of this structure?
acts as a barrier that controls the movement of substances into and out of the cell.
500
conduct an electrical charge in solution
electrolytes
500
chemical bond formed when two atoms share electrons to achieve a stable electron configuration
covalent
500
Which substance can speed up cellular processes?
Enzymes
500
Aerobic respiration requires?
Oxygen