Chapter 1&2 Flashcards
Water is awesome because
It’s polar
It has a high heat capacity
It is a good solvent
Cohesion
Two molecules that are the SAME stick together
Adhesion
Two molecules that are DIFFERENT stick together
Solute
The particle being dissolved
Solvent
The substance that dissolves
Mixture
Two or more elements mixed together but not bonded
Suspension
A mixture that you CAN SEE the floating things. Example:Blood
Solution
A mixture where you CANNOT SEE floating things.
PH scale
Measures acids and bases. Measures the H+ ions
Acid
1-6.9 on the scale
Base
7.1 to 14
Buffer
Weak acid or base our body releases to maintain homeostasis
What are the two types of compounds in our body’s?
Inorganic and Organic
4 organic compounds are…
Carbs, lipids, proteins, nucleic acids
Inorganic compounds…
Water
Acids and Bases
Salts
Carbohydrates are built from monomers called…
Monosaccharides
Lipids are built from….
Glycerol and fatty acids
Proteins are built from….
Amino acids
Nucleic Acids are built from….
Nucleotides
What elements are in Carbs, Lipids, Proteins and Nucleic Acids?
CHO, CHO, CHON, CHONP
What do lipids do in our body
Long term energy, cushioning, waterproof
What do proteins do in our body
Build muscle, build enzymes, create antibodies
What do Nucleic acids do in our body
Store our genes ( genetic info) and build proteins
What bonds share electrons
Covalent
What bonds give or take electrons?
Ionic
What particles of an atom determine physical properties
Electron
What is an ION
An atom with a charge
What is an Isotope
An atom with a different number of neutrons