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Chapter 2 - A&P

chemistry based portion

QuestionAnswer
96% of our body weight is made up of these 4 elements: carbon nitrogen oxygen hydrogen
Solvent fluid around the solute (water is an example)
Solute what dissolves in the solvent
A solvent + a solute = solution
Molecule 2 or more atoms
Compound 2 or more DIFFERENT binded atoms
Exchange reactions (displacement reactions) involves synthesis and decompostion
In exchange reactions, bonds are ____ made and broken
Anabolism is the process of ___ building things up
Anabolism is a ____ reaction synthesis
Catabolism is the process of ___ breaking things down
Catabolism is what type of reaction? decomposition
Anabolism ___ energy requires
Catabolism ___ energy releases
All enzymes are ___ proteins
lyse- break or burst down
How many amino acids make up a protein? 20
Protons positive charge
Electron negative charge
Neutrons neutral charge
Atomic number number of protons
Mass number sum of proton and neutrons
Isotope same number of protons & electrons, different number of neutrons
An increase in pH means it is getting more ___ basic
Decrease in pH - getting more ___ acidic
0-6 on pH level is classified as an : acid
7 is classified as: neutral
8-14 on pH level is classified as: basic
An organic compound contains ___ carbon & hydrogen
Inorganic compounds are anything without ___ carbon & hydrogen
Acids: release hydrogen ions -proton donors
Bases: accepts hydrogen ions -proton acceptors
Carbohydrates: provides energy
Carbohydrates are stored in the: liver & muscle cells
Monosaccharides are: simple sugars
Disaccharides are: double sugars
Polysaccharides: 3 or more sugars
Proteins are the ___ basic structure of body
Amino acids: building block of proteins
2 amino acids put together make a: peptide bond
Polar unequal charges
Nonpolar equal sharing of charge
Water is a ___ molecule polar
There are __ types of amino acids 20
3 types of lipids: steroids, phospholipds, triglycerides
What is a lipid? fatty acids that are insoluble in water and insoluble in organic compounds
Triglycerides are: fat
Steroids important cholesterol based molecule - most are hormones
Intermediary metabolism chemical reactions in between a chain of reactions
Phospholipid 2 fatty acids attached to a glycerol head
Created by: Mariahj25