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Which molecule is a source of energy, a store of energy in the body, and can mix with water?
atoms
oxygen
They are a source of energy.
nucleic acid
Water will move out of the cell.
amino acids
It is a compound.
carbohydrate
Which of these is one of the six most common elements found in the human body?
atoms
oxygen
They are a source of energy.
nucleic acid
Water will move out of the cell.
amino acids
It is a compound.
carbohydrate
Some dog foods contain corn and wheat that provide the dog with carbohydrates. Why are carbohydrates important to cell processes?
atoms
oxygen
They are a source of energy.
nucleic acid
Water will move out of the cell.
amino acids
It is a compound.
carbohydrate
Ms. Salis explains to her class that sodium (Na) and chlorine (Cl) atoms bond to make table salt (NaCl). Which is the best description of table salt?
atoms
oxygen
They are a source of energy.
nucleic acid
Water will move out of the cell.
amino acids
It is a compound.
carbohydrate
Which of these is the smallest?
atoms
oxygen
They are a source of energy.
nucleic acid
Water will move out of the cell.
amino acids
It is a compound.
carbohydrate
What will happen if the concentration of water inside a cell is higher than the concentration of water outside a cell?
atoms
oxygen
They are a source of energy.
nucleic acid
Water will move out of the cell.
amino acids
It is a compound.
carbohydrate
Which molecules make up proteins?
atoms
oxygen
They are a source of energy.
nucleic acid
Water will move out of the cell.
amino acids
It is a compound.
carbohydrate
DNA stores genetic information. What type of molecule is DNA?
atoms
oxygen
They are a source of energy.
nucleic acid
Water will move out of the cell.
amino acids
It is a compound.
carbohydrate
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