Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
35 Cards in this Set
- Front
- Back
|
Cells
|
the smallest unit that perform all life processes
|
|
|
Reproduction
|
the process of producing off spring
|
|
|
metabollisim
|
the sum of all chemical processes that take place in an organism
|
|
|
Homeostasis
|
the maintance of a constant internal state in an changing enviorment
|
|
|
Unicellular Vs. Multicellular
|
one cell vs. many cells
|
|
|
independent variable
|
the factor the is delbiratley manipulated in an expiriment
|
|
|
dependdent variable
|
a varible that is changed or determined or manpulated by a a varities of outside factors
|
|
|
observation
|
the information obtained by using the senses
|
|
|
Hypoythesis
|
Hypothesis:a theory or observastion that can be tested
|
|
|
expiriment
|
a procedure that is carried out under controlled condtionds to test a fact theory of truth
|
|
|
Control group
|
the orgianl organism in an expiriment
|
|
|
expirimental group
|
changed factor group in an expiriment
|
|
|
Atom
|
the smallest unit of an element that maintains all characteristics of that element
|
|
|
element
|
a substance whos atoms all have the same atomic number
|
|
|
nucleus
|
the core central part
|
|
|
electron
|
atomic particle that has a negitave charge
|
|
|
proton
|
an atomic particle with a postive charge
|
|
|
neutron
|
an atomic particle that has no charge or is neutral
|
|
|
Molecule
|
the results of two or more atoms combining as a result of chemical bonding
|
|
|
solution
|
A type of homogenous mixture in which the particles of one or more substances are distributed uniformly throughout another substance
|
|
|
solvent
|
a liquid in which substances are dissolved forming a solution
|
|
|
aqueous solution
|
a solution in which water is the dissolving solvent
|
|
|
pH
|
a concentration of less than 7: is acidic
equal to 7: Neutral More than 7: is basic |
|
|
acid
|
any compound that increase the number of hydronium ions when dissolved in water
|
|
|
base
|
any compounds that increases the number of hydrogen ions when dissolved in water
|
|
|
Polar molocule
|
a molocule with opposite charges on opposite sides
|
|
|
Non Polar Molocule
|
compund that does not mix with water
|
|
|
Hydrogen Bonding
|
a low-energy attractive force between hydrogen and another element
|
|
|
adhesion
|
the attractive force between two bodies of different substances that are in contact with each other
|
|
|
cohesion
|
the force that holds together molocules
|
|
|
Macromolocules
|
term reffering to large molocules such as fats carbs and proteins
|
|
|
Monosacchride
|
a simple sugar that is the basic unit of a carbohydrate
|
|
|
Disaccharides
|
gorup of sugars composed of monosacchrides
|
|
|
enzymes
|
chemical produced by cells to help speed up chemical reactions
|
|
|
polypeptide
|
a peptide that contains two amino acids
|
