water, Acids, and Basise
what is the definition of metabolism
sum of all reactions with in an organism
what is a chemical reaction
a change in a substance to another
what is the definition of metabolism
sum of all the reactions with in organism
what is the definition of science
way of gaining knowledge about the natural world
what is biology
the study of life
what is the definition of catabolic
exothemic reactions witch break down large molecules and supply energy
can matter be created, or destroyed
mater cant be created nor destroyed
what is the definition of catabolic
exothemic reactions witch break down large molecules and supply energy
a controlled investigation
used for comparison
what is the definition of anabolic reaction
An anabolic reaction is a chemical reaction within an organism that builds complex molecules from simpler ones, requiring energy to do so
what is the first type of reaction
exothermic
what is the definition of polarity
electrical charge difrene between areas of mlecules
what is a dependent varibale
affect by other factors
charicstic of life
responds to environment
what is the definition of enzyme
An enzyme is a biological catalyst and is almost always a protein.
whats the second type of reaction
endothemic
what is the definition of hydrogen bond
keep water in liquid phase even though it shouldnt be be at room tempeture
what is an independent variable
change by the experimenter
what is the cell theory
living things are made of cells
how much water is on the planet
75% of the surface
witch type of reaction is an emimted during the reaction
exothermic
what another name for water
H2o
unchanged in the experiment
evoltion
chnges over time