Unit 4 Cell Structure and Function

What is the term that describes the following situation? Your best friend sprays their favorite perfume/cologne/body spray and walks down the hall. The smell is strong where it was sprayed but you can smell it all the way down to Mrs. Meank's room.

• Osmosis
• Homeostasis
• Diffusion
• Hypotonic

Check all that apply. What are the two gases that can diffuse directly through the phospholipid bilayer of the cell.

• Sugar
• Carbon Dioxide
• Oxygen
• Phosphorus

What is it called when water diffuses across a cell membrane?

• Facilitated Diffusion
• Endocytosis
• Osmosis
• Diffusion

"______________ occurs when a cell produces substances for export. This process uses energy to move the substance.

• Endocytosis
• Passive Transport
• Exocytosis
• Turgid

True or False: Endocytosis does not require energy to move a substance out of the cell.

• True
• False

What structure below controls all cell activity?

• Nuclues
• Vacuole
• Cell Wall
• Chloroplast

Tags

NGSS.MS-LS1-2

What type of cell is the below image?

• Animal
• Muscle Cell
• Prokaryotic
• Plant

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-5

Choose all that apply: Why is the cell membrane considered to be a Fluid-Mosaic model?

• The cell membrane is made up of many different parts.
• The cell membrane is rugged and very strong and does not let many things through.
• All parts of the cell membrane are moving constantly.
• The cell membrane is a minor part of the cell and does not contribute to a cell's purpose.

Which of the following is not a step of mitosis?

• Anaphase

• Metaphase

• Prophase

• Homeostasis

Tags

NGSS.HS-LS1-4

True or False: Scientist know everything about cells.

• True
• False