Unit 1 7th Grade

Every living organism is made up of one or more cells

• True
• False

A cell is...

• the basic unit of structure and function in living organism
• an organism
• a basic part of everything that we see
• found only in animals, not plants

If you were some bad guy trying to sneak into an animal cell, who would be there to stop you?

• nucleus
• mitochondria
• cell membrane
• cell wall

Cells with a nucleus and membrane-bound organelles are called ____________________.

• prokaryotes
• eukaryotes
• bacteria
• protists

Who was the first  person to see cells under the microscope and give them their name?

• Mattias Schleiden
• Robert Hooke
• Theordor Schwann
• Anton van Leeuwenhoek

A multicellular organism is made of

• one cell

• multiple cells

• unicellular cells

• there is no such thing as a "multicellular" organism

What is one way in which all living things on Earth are alike?

• All living things have hair.

• All living things are made of cells.

• The cells of all living things have chloroplast.

• All living things can move.

The _____________ holds the DNA, and controls the functions of eukaryotic cells.

• Nucleus

• Nuclear Membrane

• Mitochondria

• Chloroplast

What is the main difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells are found only in multicellular organisms

• Eukaryotic cells are found only in unicellular organisms

• Eukaryotic cells have a nucleus and prokaryotic cells do not

• Prokaryotic cells have DNA and eukaryotic cells do not

Which are componets of Cell Theory?

• All organisms are composed of one or more cells

• The cell is the basic unit of life

• All cells come from preexisting cells

• Alll of the above