Unit 2 Test: Cells + Material Transport

 The cell theory is one of the unifying themes of biology. Which of the following statements would be part of the cell theory? 

• 
  The basic unit of life is the cell.

• All living organisms are composed of cells.

• 
  Cells come from preexisting cells

• All of the above

Which organelle is shown in the image?

• ribosomes

• mitochondria

• chloroplast

• nucleus

Which organelle is shown in the image?

• ribosomes

• mitochondria

• chloroplast

• nucleus

What is the name of the red organelle in the image?

• ribosomes

• mitochondria

• chloroplast

• nucleus

Which of the following structures serves as the cell's boundary from its environment?

• 
  cell membrane

• 
  channel proteins

• 
  chloroplast

What is the main function of the cell wall? (Only in plant cells)

• to help the cell move

• 
  to support and protect the cell

• 
  to direct the activities of the cell

True or False: Phospholipids have hydrophilic and hydrophobic regions.

• True

• False

What is the function of a lysosome?

• makes proteins using instructions that come from the nucleus

• regulates which materials enter and exit the cell

• protect the cell and maintain the shape in plants

• breaks down old organelles and cleans up the cell

What is the function of the cell wall?

• makes proteins using instructions that come from the nucleus

• regulates which materials enter and exit the cell

• protect the cell and maintain the shape in plants

• breaks down old organelles and cleans up the cell

What is the function of ribosomes?

• makes proteins using instructions that come from the nucleus

• regulates which materials enter and exit the cell

• protect the cell and maintain the shape in plants

• breaks down old organelles and cleans up the cell