Water
What 3 states is water naturally found in?
solid, liquid, gas
Which bond contains an H molecule
Hydrogen Bond
All biomolecules contain the element
C
The left side of the chemical reaction are the what?
reactants
What element has 7 protons?
Nitrogen
When water sticks together it is ______, when it sticks to something else it is _________
cohesion, adhesion
Sharing electrons
Covalent
Enzymes and substrates bind together to create
enzyme-substrate complex
The right side of a chemical reaction are the
products
What are the two subatomic particles that make up the atomic mass?
Protons and neutrons
How do you determine polarity of a molecule?
Uneven distribution of charge
Transfer Electrons
Ionic Bond
Which protein based catalyst ends in -ase
enzymes
Once substrates release from the E-S complex they are now what new substance?
products
How many electrons do most atoms want in their outer shell
8
pH is on a scale of 0-14, if an enzyme has a pH of 9 it is considered
basic or alkaline
What kind of bond is it when Na gives up one of its electrons to fill the outer shell of Cl?
Ionic
Animals that live in cold climates usually have an extra layer of tissue in order to preserve heat. Which biomolecule is this tissue composed of?
Lipids
Balance the equation:
____ N2 + ____ H2 --> ____ NH3
1,3,2
If an element has an atomic mass of 29 and an atomic number of 12, How many P, N, e are present?
P-12
N-17
e-12
Water has a high __________, meaning it absorbs a high amount of heat energy prior to changing temperature
heat capacity
How can you tell which elements are electronegative
Right side of the periodic table
The following are examples of which biomolecules?
Butter, Turkey, DNA, Bread
Lipid, protein, nucleotide, carbohydrate
___ Na + ___ NaNO3 --> ___ Na2O + ___ N2
10, 2, 6 ,1
Selenium-83 has a half-life of 25.0 minutes. How many minutes would it take for a 10.0 mg sample to decay and only have 1.25 mg of it remain?
75 min