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Biology 1111
N/A
40
Biology
Undergraduate 1
12/11/2013

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Term
Biosphere
Definition
All environments on earth which support life
Term
Ecosystem
Definition
Consists of all the organisms living in an area and the non living components of the area ex. air,soil,water
Term
Community
Definition
All organisms in an area
Term
Population
Definition
Interacting group of individuals of one species
Term
Organism
Definition
An individual living entity
Term
Organ Systems
Definition

Makes up body

ex. systems

Term
Organ
Definition
Stomach, liver
Term
Tissues
Definition

make up organs

consist of similar cells

Term
Cell
Definition
Unit of living matter seperated frm its environment by a membrane and each cell has a special function to perform
Term
Organelle
Definition
Structures that perform a specific function in a cell
Term
Molecule
Definition
Cluster of atoms
Term
Atom
Definition
smallest particle of matter
Term
7 features for life
Definition

Order

Regulation

Growth & Development

Energy Utilization

Response to the environ.

Reproduction

Evolution

Term
Nucleotide
Definition

building block of DNA

made of deoxyribose, phosphate group,& a nitrogenous base

Term
Eukarya kingdoms
Definition

Protista

Plantae

Fungi

Animalia

Term
Matter
Definition
anything that occupies space and has mass
Term
Atom
Definition
smallest unit of matter
Term
Element
Definition
Consists of a single type of atom
Term
Compound
Definition
Consists of two or more types of atoms
Term
Isotopes
Definition
element that has same number of protons and electrons but different number of neutrons
Term
Chemical bonds
Definition
Sharing or transferring electrons between atoms with incomplete electron valence orbits
Term
Electronegativity
Definition
Strength of pull the nucleus of an atom has on electrons
Term
NonPolar Covalent bonds
Definition
Bonds formed between atoms with the same electronegativities
Term
Polar Covalent Bonds
Definition
Bonds formed between atoms of different electronegativities
Term
Ionic Bonds
Definition
formed when 2 ions of differnt electrical charge are attracted to each other
Term
Cations
Definition
Positively Charged ions
Term
Anions
Definition
Negatively Charged ions
Term
Buffer
Definition
A solution of a weak acid and its conjugate base that resists a change in pH
Term
Organic Compounds
Definition
Carbon based molecules
Term
Hydrolysis Reacton
Definition
process used to break down polymers
Term
Hydrophilic
Definition
water soluble
Term
Monosaccharides
Definition
simple sugars
Term
Cellular Respiration
Definition
A cell uses glucose for work, it does not use glucose directly but breaks it apart and froms ATP
Term
Disaccharides
Definition
2 monosaccharides linked together through a dehydration reaction
Term
Lipids
Definition
Do not disolve in water
Term
Peptide Bonds
Definition
Covalent bonds linking amino acids
Term
Polypeptide
Definition
Chain of amino acids
Term
Denaturation
Definition
Polypeptide chain unravel altering proteins
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