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Complex level of organization
Living things are highly ordered. While living and nonliving matter are composed of the same basic matter, the molecules that make up living organisms are organized into complex arrangements called organelles, and organelles are organized into complex arrangements called cells and so on
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Metabolism (Characteristic of Life)
Every organism has the ability to acquire materials from its environment and manipulate these materials to supply energy for cellular activities and to supply materials for the construction of new biological structures (Greek for to change)
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Homeostasis
Living things actively maintain their complex structure and their internal environment; homeostasis (same state).
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Subatomic particles (LOO)
All subatomic particles are made up of quarks
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Heredity
All forms of life use DNA as the repository of hereditary information
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Atoms (LOO)
All atoms are made of neutrons, protons, electrons
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Molecules (LOO)
All molecules are made of atoms of varying elements
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Organelles (LOO)
All organelles are made of numerous different molecules
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Cells (LOO)
All cells are made of organelles
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Tissues (LOO)
All tissues are made of cells
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Organs (LOO)
All organs are made up of tissues
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Organ Systems (LOO)
All organ systems are made up of organs
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Individuals (LOO)
All individuals are made up of organ systems
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Populations (LOO)
All populations are made up of individuals
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Communities (LOO)
All communities are made up of populations
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Ecosystems (LOO)
All ecosystems are made up of communities
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Biosphere (LOO)
All biospheres are composed of ecosystems
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Emergent Properties
Each level has properties that emerge that for its own level
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Taxonomy, why so important
Descriptive classification. It is vital because there are so many different "things" that without sorting them into easily defined groups and sub-groups and so on, it would be impossible to study them
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Metabolism (def)
the set of chemical reactions that occur in living organisms to maintain life
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Anabolism
Constructing organic matter
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Catabolism
Breaking down organic matter
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Macromolecules
Very large molecules (e.g. nucleic acids, proteins, carbohydrates, and lipids)
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Monomer
An atom or small molecule that my bond to other monomers to form a polymer
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Polymer
A large molecule created by many monomers
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Triglyceride
Fats and oils, energy storage, insulation, protection. Unsaturated (have one or more C=C double bonds) and Saturated (Have no C=C double bonds) fats
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Amino Acid
Contains the functional groups amine and carboxyl. The building blocks of proteins
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Peptide Bond
The bond that forms between proteins, the amine group of one bonds with the carboxyl group of the other
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Polypeptide Chain
A long chain of proteins (10 or more)
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Nucleotide
Molecules that when joined together form DNA and RNA
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Saccharides
Sugars, carbohydrates
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Hydrolysis Reaction
Separating polymers into individual monomers (digestion)
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Dehydration Reaction
Bind monomers together to form polymers (condensation, polymerization)
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Hydroxyl
O bonded to an H, causes H bonds as it is both a H+ donor and acceptor
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Carbonyl
C double bonded to O, creates polar end of a molecule
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Carboxyl
C bonded to OH and double bonded to O, part of amino acids and fatty acids
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Amine
N bonded to two Hs, part of amino acids
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Phosphate
P bonded to three O one which being double bond and also bonded to OH, part of nucleic acids, ATP, and attached to amino acids
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Carbohydrates
CHO, energy, energy storage, cellular identification
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Lipids
CHO(P), Energy storage, insulation, protection, hormones
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Proteins
CHON(S), movements, enzymatic activities, O2 transport
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Nucleic Acids
CHOPN, genetic material of cells, ATP
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Amino Acids
The building blocks of proteins, contain amine and carboxyl
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Primary Structure
A sequence of amino acids for a specific protein
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Secondary Structure
Folding of primary structure forming H bonds at every 4th amino acid
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Tertiary Structure
The complex overlapping of the secondary structure (many different bonds)
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Quaternary Structure
The combination of 2 or more polypeptide chains to form a single functional protein
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Cell Theory
- All living things or organisms are made of cells and their products.
- New cells are created by old cells dividing into two.
- Cells are the basic building units of life.
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Lysosome
The waste factory of a cell, responsible for breaking down waste material
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Ribosome
Component of cells that make proteins from amino acids
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Vacuole
Membrane-bound organelle that acts as a storage station for various materials from waste to water and even harmful materials
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