A
B
C
D
100

Controls entry into and out of cell

Cell (plasma) membrane

100

Holds nucleus together

nuclear membrane

100

Units of heredity

genes

100

Where proteins are made

ribosomes

200

microscopic cylinders that support and give the cell shape

microtubule

200

Contains water dissolved minerals

vacuole

200

Minute hole in nuclear membrane

nuclear pore

200

stores and releases chemicals

Golgi bodies

300

spherical body within nucleus

nucleolus

300

traps light and is used to produce food for plants

chlorophyll

300

jellylike substance within cell

cytoplasm

300

surface for chemical activity

endoplasmic reticulum

400

stores food or contains pigment

plastid

400

digestion center

lysosome

400

"powerhouse" of the cell

mitochondria

400

structures involved in mitosis in animal cells only

centrioles

500

contains code which guides all cell activities

chromosomes

500

shapes and supports a plant cell

cell wall

500

food for plant cells is made here

chloroplasts

500

chromosomes are found here

nucleus