grade 9 science

The process in which the movement of materials across a membrane requires energy is_____.

• Diffusion

• Osmosis

• Active Transport

• Facilitated Diffusion

Process that moves any material from high concentrations to low concentrations is called ____.

• Endocytosis

• Osmosis

• Diffusion

• Active Transport

Energy is defined as _____.

• The ability to do work.

• Creation of heat.

• Reaching super saiyan 3.

• Chemical reactions.

A solution that has a greater solute concentration than a cell, it would be a ______ solution.

• Hypotonic

• Isotonic

• Heterogeneous

• Hypertonic

What does the image represent?

• Phagocytosis

• Passive Transport

• Active Transport

• Exocytosis

What process is shown in this picture? No ATP is used.

• Facilitated Diffusion

• Osmosis

• Active Transport

• Phagocytosis

What is the outer boundary of the cell?

• Plasma Membrane

• Nucleolus

• Endoplasmic Reticulum

• Nuclear Membrane

Which of the following statements is NOT correct about the phospholipid molecules in the plasma membrane?

• The phospholipids form a bilayer.

• The phospholipid heads are hydrophobic.

• The phospholipid tails are hydrophobic.

• The phospholipid heads face the extracellular and intracellular fluid.

A dye is dissolved in water. The ______ is the solute and the solvent is the ______ molecules.

• Water, Water

• Dye, Water

• Water, Dye

• Dye, Dye

Which type of solution will cause cells to swell, or even to burst?

• Isotonic

• Hypertonic

• Homogeneous

• Hypotonic