GMAS Cell processes Review

this diagram is an example of

• simple diffusion

• facilitated diffusion

• active transport

• osmosis

if a cell with 20% sodium is placed into a solution with 25% sodium. the solution is said to be ____________. (hint: which direction is the water going to move)

• hypertonic

• hypotonic

• isotonic

• impossible to tell

Inside of a particular cell, there is a high level of ATP production near the plasma membrane. Which of the following is most likely true?

• The cell is undergoing active transport

• The cell is removing toxins via passive transport

• The cell is using ribosomes to create specialized enzymes

• The cell's mitochondria are working in tandem with the chloroplasts to complete essential processes.

which type of human cell would you expect to find a higher number of mitochondria? (hint: think about what the mitochondria does)

• muscle cells

• hair cells

• skin cells

• red blood cells

The graph above how the activity of an enzyme changes over a range of pH values. Which of the following conclusions is supported by the data?

• The optimum pH of the enzyme is 1.0

• The optimum pH of the enzyme is 2.0

• The enzyme's activity is greater around pH of 4 than around pH of 1

• The enzyme's activity continually increases as pH increases from 1.0 to 6.0

This picture represents what type of cell transport?

• endocytosis
• exocytosis
• osmosis
• passive transport

What type of macromolecule are enzymes?

• Protein
• Carbohydrate
• Lipid
• Nucleic Acid

What is the function of this organelle?

• control center of the cell

• site of photosynthesis

• found in plant and animal cells

What is the main difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a nucleus and Eukaryotic cells do not
• Prokaryotic cells are unicellular and Eukaryotic cells are multicellular.
• Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus.
• Prokaryotic cells are plant cells and Eukaryotic cells are animal cells.

Which of the following claims best applies to prokaryotic cells?

• the cell has cytoplasm and a cell membrane

• the cell does not have a cell membrane, nucleus, or membrane-bound organelles

• the cell has membrane-bound organelles and is large in size

• the cell does not have a nucleus or membrane-bound organelles