Word Nerd
Anything that has mass and takes up space (has volume)
What is matter?
Positively charged particles
What are protons?
A table of the chemical elements arranged in order of atomic number
What is the Periodic Table?
This is why solid water can float
What is (water) density?
Chemical reaction used to build polysaccarides, lipids and proteins
What is a dehydration reaction?
Type of chemical bond formed by the sharing of electrons between 2 or more atoms
What is a Covalent Bond?
A molecule that contains atoms of at least 2 different elements
What is a compound?
The number of electrons in Sulfur (Atomic Number 16)
What is 16?
Water's ability to attract other polar substances
What is adhesion?
Organic acids contain this type of functional group
What is a carboxyl group?
Carbohydrates that are made up of more than 2 monosaccharides
What is a polysaccharide?
The number of atoms in Glucose (C6H12O6)
What is 24?
The sum of protons and neutrons in an atom
What is the Atomic Mass?
A substance in which other substances are dissolved
What is a solvent?
Molecule composed of 4 fused carbon rings which can be hormones
What are steroids?
A lipid made from fatty acids that have at least 1 double bond between their carbon atoms
What is an Unsaturated Fat?
Unequal sharing of electrons resulting in a slightly negative charge at one end of a molecule and a slightly positive charge at the other end
What is polarity?
An specific element that different number of neutrons, eg Hydrogen-3 (or H-3 or 3H)
What is an isotope?
The property of water that allows a water strider to "walk on water"
What is cohesion?
Theory of enzyme action that says an enzyme has an active site shaped especially for the molecule it must work on
What is the "lock and key" theory?
The building blocks of DNA and RNA
What are nucelotides?
These 2 characteristics allows for water's life-supporting properties
What is polarity and ability to form hydrogen bonds?
These are the 6 biologically important elements
What is C, H, N, O, P, S?
Water's ability to absorb large amounts of thermal energy before it's temperature actually increases
What is high heat capacity?
This type of bond between nucleotide bases holds the 2 helixes of DNA together
What are hydrogen bonds?