Intensive Science C Cell Structure & Function

All organisms are made of:

• organelles
• cytoplasm
• DNA
• cells

All existing cells are produced by other

• living cells
• dead cells
• atom cells
• animal cells

This is the most basic unit of life

• atom
• cell
• nucleus
• DNA

What type of cell does not have a nucleus?

• eukaryotic 
• prokaryotic 

Plants and animal cells are examples of ___ cells 

• prokaryotic cells 
• eukaryotic cells 

The cell membrane is _______________ permeable.

• selectively

• somewhat

• physically

• ionically

The cell membrane is mostly made of what?

• Membrane-spanning Proteins

• Surface Proteins

• Phospholipids

• Carbohydrates

The cell membrane is selectively permeable, which means...

• All materials can enter and leave the cell
• Certain things can enter while others cannot
• The cell manually sorts through all materials
• Only certain cells can interact with the cell.

The _____ in the plasma membrane is used to make sure the fatty acids tails don't stick together. 

• carbohydrates
• cholesterol
• proteins
• lipids

All cells have a:

• Nucleus
• Plasma membrane
• Cell wall
• Buddy