7th grade Cells Structure and Function Review

In 1665 a English Scientist, _____discovered cells while looking at a thin slice of cork.

• Matthias Schleiden

• Rudolf Virchow

• Anton Leeuwenhoek

• Robert Hooke

In 1673 ____ used a handmade microscope to observe scrapings from his teeth & discovered single-celled organisms.

• Theodor Schwann

• Anton Van Leeuwenhoek

• Rudolf Virchow

• Robert Hooke

In 1838 a German Botanist, _________, concluded that all plants are made of cells.

• Matthias Schleiden

• Leeuwenhoek

• Rudolf Virchow

• Robert Hooke

In 1839 a German physiologist, __, stated that all animals are composed of cells.

• Theodor Schwann

• Rudolf Virchow

• Anton Leeuwenhoek

• Robert Hooke

In 1858 ______, German physician concluded that cells must arise from preexisting cells.

• Theodor Schwann

• Rudolf Virchow

• Anton Leeuwenhoek

• Robert Hooke

Cell theory states which of the following:

• All living things are made of molecules

• All cells can reproduce

• Cells are the basic unit of life

• All cells contain DNA

Layer that protect the cell and controls what goes in and out of the cell

• Nucleus

• cell membrane

• chloroplast

• cell wall

Controls the functions inside the cell. Also known as the brain of cell.

• Nucleus

• cell membrane

• chloroplast

• cell wall

Jelly like material that cushions & protects organelles.

• cell membrane

• cytoplasm

• mitochondrion

• chloroplast

Organelle that creates energy for the cell.

• cell membrane

• cytoplasm

• mitochondrion

• chloroplast