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36 Cards in this Set

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What is everything in the cell except for the nucleus?
organelles
What are the openings in the membrane called?
pores
What are the power plants of the cell called?
mitochondria
How is energy made in the cell?
FOOD + OXYGEN
GO into the MITOCHONDRIA
ENERGY + CARBON DIOXIDE + WATER
COME OUT
What is needed to release energy from the cell?
Food in the form of glucose.
Water
Oxygen
Mitochondria
What is given off as the energy is released?
Carbon dioxide
Water
Energy
What are ribosomes?
Ribosomes are special organelles that are involved in protein synthesis.
Where are ribosomes found?
Free in the cytoplasm
and on the
Endoplasmic Reticulum
What does the Endoplasmic Reticulum do for the cell?
Transport or transferred substances to different cell locations
What do lysosomes do?
Breakdown/remove waste or digest molecules
Which organisms do not have cell walls?
animals
Many cell structures have folded membranes why are they an advantage?
1.Provide larger surface area

2.Seperate different chemical reactions
List the 3 parts of the cell theory.
1. All organisms are composed of cells

2. The cell is the basic unit of organization of organisms

3. All cells come from preexisting cells
van Leeuwenhoek
discovered the first cells
Hooke
saw little boxex when he looked at cork and called them cells
Schleiden
discovered that all plants are made of cells
Schwann
discovered that all animals are made of cells
Virchow
discovered that all cells come from other cells
Advantages of electron microscopes
higher magnification
TEM
transmission electron microscope used for seeing cell structures
SEM
scanning electron microscope
used for seeing the details of the surface of objects
If a cell contains a nucleus
prokaryotic
phospholipids in the plasma membrane form ____ layers
a double or bi-lipid
The fluid mosaic model describes a structure with
a phospholipid bi-layer, polar heads facing the inside and the outside of the cell, embedded proteins.
selective permeability
The cells ability to control whot goes in and out of the cell
A plasma membrane is made up of
a phospholipid bi-layer
proteins
chlorestrol
Lysosomes
Cell structures that contain digestive enzymes
Ribosome
the sites of protein synthesis
Endoplasmic Reticulum
System of highly folded membranes where cellular chemical reactions occur.
golgi apparatus (body)
The system of folded membranes that modify proteins and send them to their appropriate destinations.
mitochondria
Organelles where molecules are broken down to release energy
cilia
Short, numerous, hair-like projections used for locomotion
flagella
Long hair-like projections used for locomotion
vacuole
Membrane bound organelle used for temporary storage of materials
chloroplast
Chlorophyll containing organelle that captures light
nucleus
Central membrane bound structure that contains DNA