| Question | Answer |
| 1.the number of protons in an atom's nucleus is called | atomic number
|
2.the protons and neutrons of an atom weighted together is called | mass number/atomic mass
| 3.what are the electrons that are available for chemical bonding called? | valence electrons
| 4.electrons that are transferred between atoms create what kind of bond? | ionic
| 5.bond created from a pair of shared electrons | covalent bond
| 6.bond created from slightly charged opposite ends of water molecules | hydrogen bonds
| 7.the covalent bond between amino acids | peptide bond
| 8.the type of bond between the hydrogen and water atoms in a water molecule | polar covalent bond
| 9. [H+] = [OH-] is a pH of | 7
| 10. When [H+] > [OH-] | acid
| 11. When [H+]<[OH-] | base
| 12 Each unit on a pH scale is worth? | factor of 10
| 13. An atom with unequal protons and neutrons | isotope
| 14. A substance that dissolves another substance | solvent
| 15. Substance that dissolves in a fluid | solute
| 16. Enzyme names end with | -ase
| 17. the location an enzyme binds with a substrate | active site
| 18. enzymes catalyze reactions by lowering the | activation energy
| 19. if the energy level of the products are higher than the energy levels of the reactants, then this is an___________________ reaction | energy absorbing
| 20. What kinds of reactions need energy to get started? | ALL
| 21.are all catalysts enzymes? | no
| 22.list 3 monosaccharides | glucose, fructose, galactose
| 23.List 2 storage polysaccharides | glycogen, starch
| 24.Name the 3 main parts of a nucleotide | phosphate group, pentose, nitrogenous base
| 25. All amino acids have which 2 functional groups attached to a central carbon? | amino group, carboxyl group
| 26. How many levels of structure are found in a protein? | 4
| 27. Enzymes activity can be regulated by what 3 factors? | pH, temp, regulatory molecules
| 28.What will you never find in a saturated fatty acid? | double bond between Cs
| 29.List 4 types of lipids | fats, oils, waxes, steroids
| 30.List 3 functions of proteins | transport, enzymes, antibodies, horomones or chemical signals, structural, receptors, change shape so as to move |
