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;
39 Cards in this Set
- Front
- Back
Cell
|
Basic unit of structure and function in living things
|
|
Microscope
|
an instrument that makes small objects larger
|
|
A light microscope that has more than one lens
|
Compound microscope
|
|
First person to observe cells - what did he observe
|
Robert Hooke - cork
|
|
Cell theory
|
All living things are composed of cells.
Cells are the basic unit of structure and function in living things. All cells are produced from other cells. |
|
Magnification
|
ability to make things look larger than they are
|
|
The lense or lenses in a light microscope magnify an obhect by ______ __ _______ that passes through them.
|
bending the light
|
|
convex lens
|
lens with a curved shape
|
|
Organelle
|
tiny cell structure that carry out specific functions withtin the cell.
|
|
Basic unit of structure and function in living things
|
cells
|
|
tiny cell structures that carry out specific functions within the cell
|
organelles
|
|
cell wall
|
a rigid layer of nonliving material that surrounds plant cells - made of cellulose
|
|
cell wall function
|
helps to protect and support the cell
|
|
a rigid layer of nonliving material that surrounds plant cells - made of cellulose
|
cell wall
|
|
cell membrane
|
controls what substances come in and out of a cell - everything enters through this
|
|
controls what substances come in and out of a cell - everything enters through this
|
cell membrane
|
|
Nucleus
|
"brain" of a cell - directs all activities in this control center
|
|
"Brain" that directs all activities - control center
|
Nucleus
|
|
Nuclear membrane
|
"cell membrane" of a nucleus
|
|
"cell membrane" of a nucleus
|
nuclear membrane
|
|
Chromatin
|
thin strands floating in the nucleus - instructions that direct the function of a cell
|
|
instructions that direct the function of a cell - thin strands floating in the nucleus
|
chromatin
|
|
Nucleolus
|
where ribosomes are made
|
|
where ribosomes are made
|
Nucleolus
|
|
Cytoplasm
|
the region between the cell membrane and the nucleus.
|
|
the region between the cell membrane and the nucleus
|
Cytoplasm
|
|
Mitochondrion
|
rod-shaped structures - "powerhouses", produce most of the cell's energy
|
|
"powerhouses", produce most of the cells enerfy - rod shaped
|
Mitochondrion
|
|
Endoplasmic Reticulum
|
passageways that carry proteins and other materials from one side of cell to the other
|
|
passageways that carry proteins and others to one and another side of a cell
|
Endoplasmic reticulum
|
|
Ribosomes
|
small "grains" attached to the outer ER or floating in cytoplasm: factories to produce proteins
|
|
factories to produce proteins; small "grains" attached to the outer ER or floating in the cytoplasm
|
Ribosomes
|
|
Flattened sacs and tubes; cell's mailroom. Recieve proteins and others, package, and distribute to other parts of the cell or outside the cell
|
Golgi body
|
|
Golgi body
|
the cell's mailroom. Recieves proteins, etc, and packages them to distribute to other parts of the cell or outside the cell
|
|
Chloroplasts
|
plants only - capture energy from sunlight and use it to produce food. give green color.
|
|
capture energy from sunlight and use it to produce food. give green color.
|
Chloroplasts
|
|
Vacuoles
|
water filled sac in all plants and some animals - storage area of food, water, and wastes
|
|
sac of storage for food, water, and wastes
|
Vacuole
|
|
Lysosomes
|
small round structures that contain chemicals to break down large food particles into smaller ones; old cell parts
|