What is the main energy source for the body?
Carbohydrates
The building blocks of proteins are _______.
Amino acids
What are the starting materials in a reaction called?
Reactants
Enzymes are what type of biomolecule?
Proteins
What makes a molecule organic?
Contains carbon and hydrogen
Which biomolecule builds muscles and enzymes?
Proteins
The building blocks of carbohydrates are _______.
Monosaccharides (simple sugars)
What are the ending materials in a reaction called?
Products
The place where a substrate fits on the enzyme is called the _______.
Active site
Without enzymes, reactions would proceed ___________ to be of any use to the cell.
too slowly
Which biomolecule stores genetic information
DNA / Nucleic acids
DNA is made of _______.
Nucleotides
Energy needed to start a reaction is called _______.
Activation Energy
What happens to enzymes at very high temperatures?
They denature/ lose shape
The products of hydrogen peroxide digestion.
Oxygen and Water
Which biomolecule is stored for long-term energy?
Lipids
Many sugars joined together are called a _______.
Polysaccharides
A reaction that gives off heat is called _______.
Energy-releasing
Lactase helps break down which sugar?
Lactose
The most common simple sugar is ______.
glucose
Name one food that is mostly lipids.
Butter, oil, seeds
Breaking down polymers into monomers is called _______.
Digestion
An example of an energy absorbing reaction.
Photosynthesis
The product of Lactose, a disaccharide, digestion.
Simple sugars/ glucose and galactose
Activation energy is _____________.
The energy required to break the bonds of the reactants.