Atoms & Matter
What are the 3 subatomic particles?
Protons, neutrons, & electrons
A water molecule has how many hydrogens and oxygens?
2 Hydrogens & 1 Oxygen
The building blocks of proteins?
Amino acids
The reactant an Enzyme acts on?
Substrate
An atom with a charge is called an...
Ion
Why don't oil and water mix?
Oil is non polar, water is polar
Plants store glucose as ...
Starch
What bond holds amino acids together?
Peptide bond
Enzymes are what type of macromolecule?
Protein
A pure substance made of one type of atom.
Element
Acidic solutions have a pH of...
Another name for a complex carbohydrate?
Starch
Saturated fats are usually _______ at room temperature?
Solid
Enzymes lower the ____ of a reaction
Activation energy
Electrons orbit the nucleus in...
Energy levels
The pH scale measures the concentration of ....
Hydrogen ions
Carbohydrates contain what 3 elements?
Carbon, Hydrogen, & Oxygen
Which group determines the type of amino acid?
R group
Monomers join to form polymers through...
Which part of the atom determines its chemical reactivity
Electrons
What makes water a polar molecule?
Uneven distribution of charges
Give 3 functions of carbohydrates
Energy, structure, & storage
Give 2 functions of proteins
Enzymes, structure, transport...
What is the difference between cohesion & adhesion?
Cohesion is the attraction between like molecules, causing them to stick to each other, while adhesion is the attraction between different molecules, causing them to stick to other surfaces