2025 ORG Foundation Cell Transport ppt

Open Ended

Why is cellular transport important for the survival of living organisms?

Multiple Choice

Why is cellular transport important for the survival of living organisms?

• It allows cells to communicate with each other.

• It enables cells to take in nutrients and remove waste.

• It helps cells to move from one place to another.

• It causes cells to divide uncontrollably.

Open Ended

Why is cellular transport important for the survival of living organisms?

Multiple Choice

Which of the following best describes the function of the cell membrane?

• It controls the movement of substances in and out of the cell.

• It produces energy for the cell.

• It stores genetic information.

• It breaks down waste materials.

Multiple Choice

Which of the following best describes the relationship between cells, tissues, organs, and organ systems?

• Cells make up tissues, tissues make up organs, organs make up organ systems.

• Tissues make up cells, cells make up organs, organs make up organ systems.

• Organs make up cells, cells make up tissues, tissues make up organ systems.

• Organ systems make up organs, organs make up tissues, tissues make up cells.

Open Ended

Describe how the structure of cells, tissues, organs, and organ systems are related to their functions in living organisms.

Open Ended

Why is cellular transport important for the survival of living organisms?

Multiple Choice

Which of the following best describes the relationship between cells, tissues, organs, and organ systems?

• Cells form tissues, tissues form organs, organs form organ systems.

• Organs form tissues, tissues form cells, cells form organ systems.

• Cells form organs, organs form tissues, tissues form organ systems.

• Organ systems form organs, organs form tissues, tissues form cells.

Multiple Choice

Which of the following best describes a concentration gradient?

• The amount of solute in a solution

• The dissolved substance in a solution

• A gradual difference in the concentration of solutes between two regions

• A mixture in which substances are mixed evenly

Multiple Choice

Which of the following best defines a concentration gradient?

• The amount of solute in a solution

• The dissolved substance in a solution

• The gradual difference in the concentration of solutes in a solution between two regions

• A mixture in which two or more substances are mixed evenly

Multiple Choice

Which of the following best describes a concentration gradient?

• A mixture in which substances are evenly mixed

• The amount of solute in a solution

• The gradual difference in the concentration of solutes between two regions

• The dissolved substance in a solution

Multiple Choice

Which of the following best describes a concentration gradient?

• The amount of solute in a solution

• The dissolved substance in a solution

• The gradual difference in the concentration of solutes between two regions

• A mixture in which substances are mixed evenly

Fill in the Blank

Fill in the blank: The cell membrane is made of proteins and ___.

Open Ended

What are the main structural differences between cell membranes and cell walls in plant cells, and what is the significance of cellulose?

Multiple Select

Which of the following statements about cell membranes and cell walls is/are correct?

• All cells have a cell membrane made of proteins and lipids.

• All cells have cell walls made of cellulose.

• Some cells have both cell membranes and cell walls.

• Bacteria and fungi have cell walls that do not contain cellulose.

Open Ended

What are the main structural differences between cell membranes and cell walls as described in the images?

Multiple Choice

Which of the following statements about cell walls is correct?

• All cells have cell walls made of cellulose.

• Only plant cells have cell walls made of cellulose.

• Bacteria and fungi have cell walls made of cellulose.

• Cell walls are not porous.

Open Ended

What are the main differences between cell membranes and cell walls in terms of structure and function?

Fill in the Blank

Cell membranes are described as ___ permeable, meaning they regulate what enters and leaves the cell.

Open Ended

Explain how the cell membrane helps maintain homeostasis within a cell.

Fill in the Blank

The cell membrane is described as ___ permeable, meaning it regulates what enters and exits the cell.

Multiple Select

Select all functions of the cell membrane.

• Regulates the flow of materials into and out of the cell

• Provides energy for cellular processes

• Helps maintain homeostasis

• Separates the cell from its environment

Multiple Choice

What is the main difference between diffusion and osmosis as described in the images?

• Diffusion involves the movement of all types of particles, while osmosis involves only water.

• Diffusion requires energy, while osmosis does not.

• Osmosis occurs only in plants, while diffusion occurs in animals.

• Osmosis moves particles from low to high concentration, while diffusion moves from high to low.

Open Ended

Compare and contrast passive and active transport in terms of energy usage and direction of movement across the cell membrane.

Multiple Choice

Which of the following types of cellular transport require energy?

• Diffusion

• Facilitated Diffusion

• Osmosis

• Protein Pumps

Open Ended

Compare and contrast passive and active transport in terms of energy usage and examples.

Fill in the Blank

Diffusion moves particles from an area of ___ concentration to an area of low concentration.

Fill in the Blank

During osmosis, water moves from an area of ___ concentration to an area of low concentration.

Fill in the Blank

The movement of molecules from an area of high concentration to an area of low concentration is called ___.

Multiple Choice

Which process describes the movement of small particles from an area of high concentration to an area of low concentration across a selectively permeable membrane?

• Diffusion

• Osmosis

• Facilitated diffusion

• Active transport

Open Ended

Explain how the selectively permeable membrane affects the movement of particles during diffusion and osmosis.

Multiple Choice

What is the main difference between diffusion and osmosis as described in the images?

• Diffusion involves all particles, osmosis involves only water

• Diffusion requires energy, osmosis does not

• Osmosis involves only large molecules, diffusion involves small molecules

• Osmosis occurs only in plants, diffusion occurs in animals

Multiple Select

Which of the following statements are true about osmosis?

• It involves the movement of water molecules.

• It requires a selectively permeable membrane.

• It moves water from low to high concentration.

• It is a type of diffusion.

Open Ended

Explain the difference between diffusion and osmosis in terms of the types of molecules involved and the direction of movement.

Open Ended

Explain the difference between diffusion and osmosis, using examples from the diagrams provided.

Open Ended

Describe what happens to the water level in the U-tube experiment and explain why this occurs.

Open Ended

Describe what happens to the water level on each side of the selectively permeable membrane in the U-tube experiment and explain why this occurs.

Multiple Choice

Based on the diagram, what happens to the water level on each side of the selectively permeable membrane after osmosis occurs?

• The side with higher solute concentration gains water.

• The side with lower solute concentration loses water.

• Both sides remain unchanged.

• Water moves to the side with less solute.

Multiple Select

Which of the following statements about osmosis are correct?

• Osmosis involves the movement of water molecules.

• Osmosis requires a selectively permeable membrane.

• Osmosis moves water from low to high concentration.

• Osmosis is a type of diffusion.

Multiple Select

Select all processes that involve movement of molecules from high concentration to low concentration.

• Diffusion

• Osmosis

• Facilitated diffusion

• Active transport

Multiple Choice

Which of the following types of transport across the cell membrane requires energy?

• Diffusion

• Osmosis

• Facilitated Diffusion

• Active Transport

Multiple Choice

Which of the following statements about facilitated diffusion is correct?

• It requires energy from the cell

• It moves large molecules through protein channels

• It only moves water molecules

• It occurs only in plant cells

Multiple Choice

What role do protein channels play in facilitated diffusion?

• They allow large molecules to pass through the membrane.

• They actively pump molecules against the concentration gradient.

• They block all molecules from entering the cell.

• They only allow water to pass through.

Multiple Choice

What is the main function of protein channels in facilitated diffusion?

• To help large molecules cross the cell membrane

• To actively pump ions against the concentration gradient

• To break down large molecules

• To allow water to pass freely

Multiple Choice

Which type of membrane protein allows molecules to pass through the cell membrane without the use of energy?

• Protein channel

• Protein pump

• Carrier protein

• Enzyme

Multiple Choice

Which of the following best describes the function of carrier proteins in the cell membrane?

• They allow specific molecules to pass through the membrane by changing shape.

• They provide structural support to the membrane.

• They produce energy for the cell.

• They synthesize proteins for the cell.

Multiple Choice

Which type of membrane protein allows molecules to move across the cell membrane without the use of energy?

• Protein channel

• Carrier protein

• Protein pump

• Enzyme

Multiple Select

Which of the following statements about hypertonic, hypotonic, and isotonic solutions are correct?

• A hypertonic solution causes water to leave the cell.

• A hypotonic solution causes the cell to swell.

• An isotonic solution causes water to move in and out at the same rate.

• A hypertonic solution causes the cell to explode.

Fill in the Blank

When a cell is placed in a hypotonic solution, it will ___ due to water entering the cell.

Fill in the Blank

When a cell is placed in a hypotonic solution, water diffuses ___ the cell, causing it to swell.

Multiple Select

Which statements about hypertonic, hypotonic, and isotonic solutions are correct?

• A hypertonic solution causes water to leave the cell.

• A hypotonic solution causes water to enter the cell.

• An isotonic solution causes water to move in and out of the cell at equal rates.

• A hypotonic solution causes the cell to shrivel.

Multiple Select

Which of the following statements about hypertonic, hypotonic, and isotonic solutions are correct?

• A hypertonic solution causes water to leave the cell.

• A hypotonic solution causes the cell to swell.

• An isotonic solution causes water to move only into the cell.

• A hypertonic solution has a higher solute concentration than the cell.

Fill in the Blank

In a hypotonic solution, water moves ___ the cell.

Open Ended

Explain what happens to a red blood cell when placed in a hypertonic, isotonic, and hypotonic solution.

Multiple Choice

What happens to a red blood cell placed in a hypertonic solution?

• It shrivels

• It swells and bursts

• It remains the same

• It divides

Multiple Choice

What is required for active transport to occur across a cell membrane?

• Energy

• Osmosis

• Diffusion

• Facilitated diffusion

Open Ended

Explain the difference between passive and active transport in terms of energy requirement and direction of molecule movement.

Multiple Choice

Which type of transport across the cell membrane requires energy?

• Diffusion

• Osmosis

• Facilitated Diffusion

• Active Transport

Fill in the Blank

Active transport moves molecules from ___ to high concentration.

Multiple Choice

How do the structures of the cell membrane contribute to its function in cellular transport?

• The cell membrane acts as a rigid barrier that blocks all substances.

• The cell membrane is selectively permeable, allowing certain substances to pass through.

• The cell membrane dissolves completely to allow transport.

• The cell membrane only allows water to pass through.

Multiple Choice

Which process requires energy to move molecules from a low concentration to a high concentration across the cell membrane?

• Active transport

• Passive transport

• Diffusion

• Osmosis

Multiple Select

Which of the following are examples of passive transport?

• Diffusion

• Facilitated diffusion

• Active transport

• Osmosis

Open Ended

Compare and contrast passive transport and active transport across the cell membrane.

Multiple Select

Which of the following are examples of passive transport?

• Diffusion

• Facilitated Diffusion

• Active Transport

• Osmosis

Multiple Select

Which processes are examples of passive transport?

• Diffusion

• Facilitated Diffusion

• Active Transport

• Osmosis

Multiple Choice

Which of the following types of transport across a cell membrane requires energy?

• Diffusion

• Osmosis

• Facilitated Diffusion

• Active Transport

Fill in the Blank

Very large molecules such as food and wastes get into and out of the cell by ___ and ___.

Open Ended

Explain the difference between passive transport and active transport in terms of energy usage and direction of molecule movement.

Multiple Choice

Which of the following types of transport across the cell membrane requires energy?

• Diffusion

• Osmosis

• Facilitated Diffusion

• Active Transport

Fill in the Blank

Food is moved into the cell by ___ .

Open Ended

Explain how endocytosis and exocytosis help move large molecules into and out of the cell.

Open Ended

Explain how white blood cells use endocytosis as part of the immune response.

Fill in the Blank

Very large molecules such as food and wastes move into and out of the cell by the processes of ___ and ___.

Multiple Choice

What is the main function of exocytosis in cells?

• To bring water into the cell

• To release large amounts of material from the cell

• To transport oxygen across the membrane

• To absorb nutrients from the environment

Multiple Choice

What is the role of white blood cells in the immune system as shown in the diagram?

• They produce antibodies

• They engulf bacteria by endocytosis

• They release hormones

• They transport oxygen

Open Ended

Describe how white blood cells use endocytosis as part of the immune response.

Multiple Choice

Which process forces material out of the cell in bulk and requires energy?

• Diffusion

• Osmosis

• Exocytosis

• Facilitated Diffusion

Multiple Choice

Which of the following statements about exocytosis is correct?

• It moves material into the cell.

• It requires energy and changes the shape of the cell membrane.

• It is a type of passive transport.

• It only occurs in plant cells.

Open Ended

Reflecting on what you learned about the structure and function of cells, tissues, organs, and organ systems, what is one question you still have or something you would like to know more about?

Multiple Choice

How do the structures of the cell membrane contribute to its function in cellular transport?

• The cell membrane allows only water to pass through.

• The cell membrane acts as a barrier and regulates what enters and leaves the cell.

• The cell membrane provides energy for the cell.

• The cell membrane stores genetic information.

Multiple Choice

Which of the following best describes how tissues, organs, and organ systems serve the needs of cells?

• They provide cells with oxygen, food, and waste removal.

• They only help cells divide.

• They make cells larger.

• They prevent cells from interacting with their environment.

Open Ended

Reflecting on what you learned today, how do cells, tissues, organs, and organ systems work together to support the needs of an organism?

Open Ended

How do the structures of the cell membrane support its function in cellular transport?

Multiple Choice

How do the structures of the cell membrane contribute to its function in cellular transport?

• The cell membrane allows only water to pass through

• The cell membrane is rigid and does not allow any substances to pass

• The cell membrane is selectively permeable, allowing certain substances to enter or leave the cell

• The cell membrane only allows waste to exit the cell