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Biology Chapter 3 Review
Review sheet
30
Biology
9th Grade
11/17/2015

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Cards

Term
cytology
Definition
study of cells
Term
Robert Hooke
Definition
observed the first cells
Term
cork cells
Definition
type of cells Robert Hooke observed
Term
protoplasm
Definition
the entire substance of cells
Term
three principles of the cell theory
Definition

A)the cell is the basic unit of all living things

B)cells perform all the functions of living things

C)cells come from the reproduction of existing cells

Term
ten cellular functions
Definition

absorption 

digestion

synthesis

respiration

movement

irritability

excretion 

egestion

secretion

homeostasis

reproduction

 

Term
what does the number of cells determine?
Definition
the size of an organism
Term
unicellular
Definition
one celled organisms
Term
multicellular
Definition
organisms that are made up of many cells
Term
tissues
Definition
similar cells that are grouped together and perform a similar function
Term
organs
Definition
tissues grouped together to perform a specific function
Term
organ systems
Definition
groups of organs working together
Term
three basic parts of a cell
Definition

boundary

cytoplasm

nucleus

Term
difference between eukaryotic and prokaryotic cells
Definition

eukaryotic-have a membrane-bound nucleus

prokaryotic-has no membrane-bound nucleus

Term
what is external boundary of a cell
Definition
plasma membrane
Term
whats found inside the cell around organelles
Definition
internal cellular membranes
Term
two main components of cellular membranes
Definition
lipids and proteins
Term
what type of cells have a cell wall
Definition
plant cells
Term
necessary for photosynthesis
Definition
ribosomes
Term
serves as a channel for the movement of substances
Definition
endoplasmic reticulum
Term
the powerhouses of a cell
Definition
mitochondria
Term
contain enzymes that digest substances
Definition
lysosomes
Term
storage structures in a cell
Definition
vacuoles
Term
compare and contrast flagella and cilia
Definition

flagella-whiplike tail

cilia-hairlike stuctures

*both help move things*

Term
control center of the cell
Definition
nucleus
Term
range of tolerance
Definition
the range at which you can still function, but not at your best
Term
optimal range
Definition
the range in which you function best
Term
active transport
Definition
the movement of molecules across membranes against the concentration gradient
Term
passive transport
Definition
requires no energy from cell
Term
three examples of how your body ajusts to maintain your homeostasis when your enviroment changes
Definition

temperature-shiver/sweat

horomones-regulates insulin, estrogen, testosterone

osmoregulation-regulates body fluid pressure by urination

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