Atoms and Molecules
Number of bonds a carbon atom form
4
The type of bond formed between water molecules
Hydrogen bond
Three elements that make up carbohydrates and lipids
Carbon, hydrogen, oxygen
Enzyme is a _________ that speeds up chemical reactions.
Catalyst
Number of years Mrs. Zhen taught at Walnut High
23
Same elements with different neutron number
isotopes
The type of molecule that has a slightly positive region and a slightly negative region, such as water
Polar
Monomers of proteins
Amino acids
Energy required to start a chemical reaction
Activation energy
The university Mrs. Zhen graduated from
UC Berkeley
Atoms in the second energy level always want to have 8 electrons
Octet rule
This water property enables an insect to stand on water
Cohesion
A non-food example of lipid
Phospholipid, cholesterol, steroid
Where enzyme and its substrate bind together
Active site
The varsity sport Mrs. Zhen played in high school
tennis
When an atom gains or loses electrons, it becomes a(n) ________.
ion
This water property helps to absorb heat and cool the earth temperature
High specific heat (or high heat capacity)
Monosaccharide is to carbohydrate as ____________ is to nucleic acid.
Nucleotide
When an enzyme is damaged and becomes unfolded
denatured
Mrs. Zhen's birth month
November
The type of bond found in H2S
Covalent
This water property helps plants to draw water upward along their internal vessels
Adhesion (or capillary action)
The type of reaction that breaks down large molecules into smaller subunits
Hydrolysis
Three factors that affect enzyme activity
Temperature, pH, enzyme/substrate concentration
Mrs. Zhen graduated from college with double major in Biology and __________.
Japanese