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Memorizes these little fuckers
79
Biology
9th Grade
11/19/2013

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Term
Biogenesis
Definition
Production of new living organisms or organelles
Term
Characters of living things (8)
Definition
1. Made of cells
2. Based on universal code
3. Obtain/use material/energy
4. Grow and develop
5. Reproduce
6. Respond to environment
7. stable internal environment
8. Changes over time
Term
Composition of atoms
Definition
1. Protons
2. Electrons
3. Neutrons
Term
Charges of Atom
Definition
1. Proton +
2. Electron -
3. Neutron (No charge)
Term
Arrangement of atom
Definition
Protons and electron in center
Neutrons outside
Term
Element
Definition
Pure substance that consists of one type of Atom.
Term
Isotopes
Definition
Atoms that are the same element but with different numbers of neutrons.
Term
Compounds
Definition
Chemical combination of two or more elements.
Term
Ionic Bonds
Definition
One or more electron is given to another atom.
Term
Covalent
Definition
One or more electron is shared between atoms.
Term
Molecule
Definition
The smallest unit of a compound.
Term
Van der Waals Forces
Definition
Force caused by a slight attraction of oppositely charged regions of a nearby molecule.
Term
Hydrogen Bonding
Definition
The attraction between a hydrogen atom on one water molecule and the oxygen atom on the other.
Term
Cohesion
Definition
Attraction between molecules of the same substance.
Term
Adhesion
Definition
Attraction between molecules of different substance.
Term
Heat Capacity
Definition
The amount of heat energy needed to increase temperature.
Term
Solute
Definition
The part of a solution that melts--usually solid
Term
Solvent
Definition
The substance that dissolves the solute--usually liquid.
Term
Solution
Definition
All components are evenly distributed.
Term
Suspensions
Definition
Water and nondissolvable material.
Term
PH Scale--Neutral number
Definition
7
Term
PH Scale--Acidic
Definition
Lower numbers
Term
PH Scale--Basic
Definition
Higher numbers
Term
Acids
Definition
H+ Ions
Values Below 7
Term
Basic
Definition
OH- Ions
Values above 7
Term
Buffers
Definition
Weak Acids or Bases that prevents sharp, sudden changes in PH.
Term
Macromolecules
Definition
Made of hundreds of thousands of smaller molecules
Term
Monomers
Definition
Join together to make Polymer
Term
Main function of Carbohydrates?
Definition
Main source of energy for living things
Term
Monosaccharide
Definition
Simple sugars that are components of milk and fructose (found in many fruits).
Term
Disaccharide
Definition
Two simple sugars put together.
Sucrose
Term
Polysaccharide
Definition
Large macromolecue formed by monosaccharide
Term
Main function of Lipids
Definition
Storing energy
Term
Saturated fat
Definition
Butter/Dairy
Single bond
Term
Unsaturated/Polyunsaturated fat
Definition
Olive oil
More than one bond
Liquid at room temp.
Term
Main function of Nucleic Acid
Definition
Store and transmit genetic infromation
Term
Nucleotide
Definition
Monomers that assembles a Nucleic Acid
Term
DNA/RNA
Definition
The two kinds of nucleic acid
Term
Main function of protein
Definition
Controlling rate of reaction
Regulating cell process
transport substances in/out of cell
fight diseases
Term
Chemical Reactions
Definition
Process that changes, or transforms, one set of chemicals into another.
Term
Reactants
Definition
The elements/compounds that enter into a chemical reaction
Term
Products
Definition
The element/compound created by a chemical reaction.
Term
Activation Energy
Definition
Energy needed to start a reaction.
Term
Enzymes
Definition
Proteins that acts as nature's catalysts
Term
Substrates
Definition
The reactants of enzyme-catalyzed reactions.
Term
Main function of Lipids
Definition
Storing energy
Term
Saturated fat
Definition
Butter/Dairy
Single bond
Term
Unsaturated/Polyunsaturated fat
Definition
Olive oil
More than one bond
Liquid at room temp.
Term
Main function of Nucleic Acid
Definition
Store and transmit genetic infromation
Term
Nucleotide
Definition
Monomers that assembles a Nucleic Acid
Term
DNA/RNA
Definition
The two kinds of nucleic acid
Term
Main function of protein
Definition
Controlling rate of reaction
Regulating cell process
transport substances in/out of cell
fight diseases
Term
Chemical Reactions
Definition
Process that changes, or transforms, one set of chemicals into another.
Term
Reactants
Definition
The elements/compounds that enter into a chemical reaction
Term
Products
Definition
The element/compound created by a chemical reaction.
Term
Activation Energy
Definition
Energy needed to start a reaction.
Term
Enzymes
Definition
Proteins that acts as nature's catalysts
Term
Substrates
Definition
The reactants of enzyme-catalyzed reactions.
Term
Cell Theory (3)
Definition
1.All living things are made of cells
2.Basic units of structure/function in living things
3.New cells are produce from existing cells
Term
Prokaryotes
Definition
No nucleus
Term
Eukaryotes
Definition
Has Nucleus
Term
Nucleous
Definition
Contains DNA, coded instructions on Holds DNA which contains information on how to make proteins and other molecules. Command center of the cell
Term
Nucleolus
Definition
Assembly of ribosomes
Term
Vacuoles
Definition
Stores materials like water, salts, proteins, and carbohydrates
Term
Vesicles
Definition
Store and move materials between cell organelles and cell surface.
Term
Lysosomes
Definition
Break down lipids, carbohydrates, and proteins into small molecules that can be used by the cell. Break down old organelles. Trash collector of the cell.
Term
Who discovered the cell
Definition
Hook
Term
Who was Schleiden?
Definition
The man who concluded that all plants were made of cells.
Term
Who was Schwann?
Definition
The man who concluded that all animals were made of cells.
Term
Who was Virchow?
Definition
The man who concluded that new cells can be produced only from older cells dividing.
Term
Cytoskeleton
Definition
Gives Eukaryotic cells their structure and internal organization by a network protein filaments.
Term
Microfilaments
Definition
threadlike structures that make up a protein called actin. Produces tough flexible framework to support the cell. Helps cells move.
Term
Microtubules
Definition
Hollow structures made of a protein called tubulins. Maintains cell's shape. Forms mitotic spine during cell division.
Term
Ribosomes
Definition
Makes Proteins
Term
Smooth ER
Definition
Detoxifying and digestion
Term
Rough ER
Definition
Packaging and manufacturing proteins.
Term
Golgi Apparatus
Definition
Modifies, sorts, and packages protein from ER to release outside of cell.
Term
Chloroplasts
Definition
Captures energy from sunlight and converts the energy into food. Only in plants.
Term
Mitochondria
Definition
Converts chemical energy in food into compounds that are more convenient for the cell to use.
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