Science Unit

The part of the cell that functions to maintain homeostasis relative to the cell’s environment is the

• cytoplasm
• nucleus
• Golgi body
• plasma membrane

Tags

NGSS.HS-LS1-3

Which of the following substances passes through the plasma membrane   through the process of osmosis?

• glucose
• water
• protein
• sodium

When the solution outside the cell is hypertonic relative to its environment,

• water will move from inside the cell to outside the cell
• water will move from outside the cell to inside the cell
• the water balance will be maintained
• the cell will burst

Tags

NGSS.HS-LS1-3

When the turgor pressure of a cell is high, a plant cell

• wilts
• is rigid
• dies
• explodes

Tags

NGSS.MS-LS2-1

The cell must expand energy to transport substances using

• active transport
• diffusion 
• facilitated diffusion
• osmosis

The plasma membrane is made of all the following except:

• phospholipids
• nucleic acids
• carbohydrates
• proteins

Which of the following does not have a cell wall?

• animal cells
• bacteria cells
• plant cells
• fungi

What is the name of the model that represents the plasma membrane?

• phospholipid bilayer
• Fluid painting model
• Fluid Mosaic Model
• Rigid Mosaic Model

The hydrocarbon chain (tail) of the phospholipid is _____________.

•  hydrophilic
• hydrophobic

During diffusion, atoms, ions, and molecules move ____________ the concentration gradient.

• up
• down
• against
• away