Cells And Body Systems Topics 1-3

Front 1

organism

Back 1

an individual animal, plant, or single-celled life form

Front 2

cell

Back 2

the smallest unit that can preform the functions of life

Front 3

cell theory

Back 3

a major theory of living things, formulated by scientists Matthias Schleiden, Theodore Schwaan, and Rudolf Virchow

Front 4

magnify

Back 4

to make an object appear larger by using a microscope

Front 5

microscope

Back 5

an instrument that makes objects appear larger

Front 6

field of view

Back 6

the area seen through the eyepiece of the microscope

Front 7

wet mount

Back 7

a type of sample preparation using a microscope slide

Front 8

multicellular

Back 8

having many cells

Front 9

unicellular

Back 9

Having a single cell

Front 10

organelle

Back 10

a structure within a cell that work together to perform a specific function

Front 11

cytoplasm

Back 11

the gel-like substance within the cell membrane that contains and supports the structures of the cell

Front 12

cell membrane

Back 12

the selectively permeable structure enclosing the contents of a cell or organelle; regulates the passage of substances into or out of a cell or organelle

Front 13

cell wall

Back 13

a rigid structure surrounding the cell membrane of plants, fungi, and some unicellular organisms; protects and supports the cell

Front 14

nucleus

Back 14

in a cell, an organelle that controls all the cell's activities

Front 15

vacuole

Back 15

in a cell, a fluid-filled organelle that stores water, food, wastes, and other materials

Front 16

chloroplast

Back 16

an organelle (cell part) that contains chlorophyll and enables plants to make carbohydrates through the process of photosynthesis; found only in plants and in some unicellular organisms

Front 17

cellulose

Back 17

the tough, carbohydrate material that in large part makes up the cell walls of many plants and fungi