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Quarter1B

Terms

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stomata
small opening on the bottom of some plant leafs .
biology
The science of life
colonial organism
a collection of genetically identical cells that live together in a closely connected group (volvox)
microscope
an instrument that can form an enlarged image of an object
active transport
the movement of a substance across a cell membrane that requires the cell to provide the energy for that movement
replication
the process of the DNA molecule duplication
mitochondria
site of cellular repiration
passive transport
the natural movement of molecules across a cell without the cell expending any energy
eukaryote
type of cell that contains a nucleus and organelles
hydrophobic
the carboxyl end of a fatty acid molecule (water fearing)
photosynthesis
the process that converts radiant energy of sunlight into chemical energy
equilibrium
movement of molecues is the same throughout a space
concentration gradient
difference in the concentration of molecules across a space.
cell wall
a rigid wall that surronds plants, fungi, some protist and bacteria.
energy
the ability to do work
cilia
short hairlike extensions that occur in large numbers on the surface of some cells
biochemical Patway
series of chemical reactions that occcur within linivng things in which the products of one reaction become the reactant to the next
data
all information that is gathered during an experiment
gene
smallest unit containing hereditary information
diffusion
the prrocess in which molecules spread from an area of greater concentration to an area of lesser concentration
homeostasis
organisms ability to maintain a constant internal environment
nuclear membrane
the double membrane that is found surrounding the nucleus
cytoskeleton
a network of protein strands found within a cell that gives the cell its shape and size
organelles
variety of parts found within a cell
hydrophillic
the hydrocarbon end of a fatty acid molecule (water loving)

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