2025 Cell Transport ORG PPT

Open Ended

Why is understanding cellular transport important for studying cell biology?

Open Ended

Describe the difference between passive and active transport in cellular transport.

Multiple Choice

Which of the following is a type of passive transport in cells?

• Simple diffusion

• Endocytosis

• Na/K pump

• Phagocytosis

Multiple Choice

Which of the following is a type of passive transport in cellular transport?

• Simple diffusion

• Na/K pump

• Endocytosis

• Phagocytosis

Multiple Choice

Why is cellular transport important for the survival of cells?

• It helps cells obtain nutrients and remove waste

• It allows cells to divide

• It helps cells produce energy only

• It allows cells to communicate with each other

Open Ended

Why is cellular transport important for the survival of cells?

Multiple Choice

Which of the following is NOT a function of the cell membrane?

• Forms a boundary between inside and outside of the cell

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

• Produces energy for the cell

• Helps maintain homeostasis by controlling entry and exit of substances

Multiple Choice

Which of the following is a primary function of the cell membrane?

• It forms a boundary between the inside and outside of the cell

• It produces energy for the cell

• It stores genetic information

• It synthesizes proteins

Multiple Choice

Which of the following is a primary function of the cell membrane?

• Regulating the transport of materials into and out of the cell

• Producing energy for the cell

• Storing genetic information

• Synthesizing proteins

Multiple Select

Which of the following molecules are components of the cell membrane according to the Fluid Mosaic Model?

• Proteins

• Carbohydrates

• Cholesterol

• Nucleic acids

Open Ended

Explain how the structure of the cell membrane allows it to regulate the transport of materials into and out of the cell.

Multiple Select

Which of the following molecules are components of the cell membrane according to the Fluid Mosaic Model?

• Proteins

• Carbohydrates

• Cholesterol

• Nucleic acids

Open Ended

Explain why the cell membrane is described as a 'fluid mosaic model.'

Multiple Select

According to the fluid mosaic model, which of the following statements are correct?

• The membrane is made of many different molecules

• Molecules in the membrane are constantly moving

• The membrane is made only of phospholipids

• Proteins are embedded in the membrane

Open Ended

Explain why the cell membrane is described as a 'fluid mosaic model.'

Fill in the Blank

The double layer of phospholipids that makes up the cell membrane is called the ___ bilayer.

Fill in the Blank

The double layer of phospholipids that makes up the cell membrane is called the ___ bilayer.

Fill in the Blank

The cell membrane is primarily composed of a double layer of _______.

Multiple Choice

Which part of a phospholipid is hydrophilic?

• Phosphate head

• Fatty acid tail

• Both head and tail

• Neither head nor tail

Multiple Choice

Which part of a phospholipid is hydrophilic and which part is hydrophobic?

• Phosphate head is hydrophilic, fatty acid tails are hydrophobic

• Phosphate head is hydrophobic, fatty acid tails are hydrophilic

• Both head and tails are hydrophilic

• Both head and tails are hydrophobic

Multiple Choice

Which part of a phospholipid is hydrophilic?

• Phosphate head

• Fatty acid tail

• Cholesterol

• Protein

Multiple Choice

What property of the phospholipid bilayer makes it impermeable to polar molecules?

• Hydrophilic heads face outward

• Hydrophobic tails face inward

• Presence of cholesterol

• Proteins embedded in the membrane

Open Ended

Describe how the arrangement of phospholipids in the bilayer affects the permeability of the cell membrane to polar molecules.

Multiple Choice

What property does the phospholipid bilayer have regarding polar molecules?

• It is impermeable to polar molecules

• It allows all polar molecules to pass freely

• It dissolves polar molecules

• It only allows water to pass through

Multiple Choice

Which of the following is NOT a type of lipid listed in the image?

• Fatty acids

• Steroids

• Proteins

• Glycolipids

Multiple Choice

Which of the following is NOT a type of lipid mentioned in the image?

• Fatty acids

• Steroids

• Proteins

• Glycolipids

Multiple Choice

Which of the following is NOT a type of lipid listed in the image?

• Fatty acids

• Steroids

• Proteins

• Glycolipids

Multiple Choice

Which of the following components are found in the cell membrane as shown in the diagram?

• Phospholipids

• Glycolipids

• Cholesterol

• All of the above

Multiple Select

Which of the following are components of the cell membrane as shown in the diagram?

• Phospholipids

• Glycoproteins

• Cholesterol

• DNA

Open Ended

Explain the role of cholesterol in the cell membrane structure based on the images provided.

Open Ended

Explain the role of phospholipids and cholesterol in the structure of the cell membrane.

Open Ended

Explain the role of phospholipids and cholesterol in the structure and function of the cell membrane.

Multiple Select

Which of the following are components of the cell membrane as shown in the images?

• Phospholipids

• Glycolipids

• Cholesterol

• Nucleic acids

Fill in the Blank

Transmembrane proteins are permanently ___ in the cell membrane.

Fill in the Blank

Transmembrane proteins are permanently ___ in the cell membrane.

Fill in the Blank

Transmembrane proteins are also known as ___ proteins.

Multiple Select

Select all the correct functions of integral (transmembrane) proteins in the cell membrane.

• Create channels for large or polar molecules

• Anchor the cell in place

• Store genetic information

• Cell recognition

Open Ended

What are two main functions of integral (transmembrane) proteins in the cell membrane?

Multiple Choice

What is the main function of integral proteins in the cell membrane?

• Store genetic information

• Create channels for molecules to pass

• Produce energy

• Synthesize carbohydrates

Open Ended

Describe the difference in location and interaction with the bilayer between peripheral and integral membrane proteins.

Fill in the Blank

Peripheral proteins are usually found on the ___ or ___ surface of the lipid bilayer and are considered ___.

Multiple Choice

Where are peripheral proteins located in the cell membrane?

• Embedded within the lipid bilayer

• Only on the inner or outer surface of the bilayer

• Inside the nucleus

• Attached to DNA

Multiple Choice

Which of the following is NOT a function of peripheral proteins in the cell membrane?

• Acting as receptors

• Catalyzing reactions as enzymes

• Forming the main lipid bilayer

• Providing cytoskeletal support

Multiple Choice

Which of the following is NOT a function of peripheral proteins in the cell membrane?

• Acting as receptors

• Catalyzing reactions as enzymes

• Forming the cytoskeleton

• Transporting molecules across the membrane

Multiple Choice

Which of the following is NOT a function of peripheral proteins in the cell membrane?

• Acting as receptors

• Catalyzing reactions as enzymes

• Providing structural support as cytoskeletons

• Transporting ions across the membrane

Open Ended

Describe the different roles that proteins play in the function of the cell membrane.

Open Ended

Describe two different roles that proteins play in the cell membrane, as illustrated in the diagrams.

Multiple Select

Which of the following are crucial functions of membrane proteins as shown in the diagrams?

• Structural support

• Recognition

• Communication

• Energy storage

Fill in the Blank

Cholesterol helps to maintain membrane ___ and strengthens the cell membrane.

Multiple Select

Which of the following are functions of cholesterol in the cell membrane?

• Keeps the membrane fluid

• Acts as a receptor

• Strengthens the cell membrane

• Serves as a cell marker

Fill in the Blank

Cholesterol helps to __________ and strengthens the cell membrane.

Fill in the Blank

Cholesterol _______ strengthens the cell membrane.

Multiple Select

Which of the following statements about glycolipids and glycoproteins in the cell membrane is/are correct?

• They serve as cell markers for identification.

• They are only found on the cytoplasmic side of the membrane.

• They are attached to lipids and proteins.

• They are responsible for strengthening the cell membrane.

Multiple Choice

What is the main job of carbohydrates attached to lipids and proteins in the cell membrane?

• Transporting molecules

• Serving as cell markers for identification

• Providing energy

• Maintaining membrane fluidity

Multiple Choice

What is the primary function of carbohydrates attached to glycolipids and glycoproteins in the cell membrane?

• Energy storage

• Cell identification

• Transport of molecules

• Structural support

Fill in the Blank

Antibodies are also called ___.

Multiple Select

Based on the images, which of the following statements about antibodies is/are correct?

• Antibodies are also called immunoglobulins.

• Antibodies are carbohydrates that bind antigens.

• Antibodies neutralize antigens or make the immune system aware of their presence.

• Antibodies are important in organ and tissue development.

Open Ended

Explain how membrane carbohydrates contribute to the immune response.

Open Ended

Explain how membrane carbohydrates contribute to the immune response, based on the information provided.

Open Ended

Explain how membrane carbohydrates contribute to the immune response, based on the information provided.

Multiple Choice

Which of the following is NOT a component of the cell membrane as shown in the diagram?

• Integral proteins

• Phospholipids

• Mitochondria

• Carbohydrate portion of glycoprotein

Multiple Choice

Which of the following is NOT a component of the cell membrane as shown in the diagram?

• Integral proteins

• Carbohydrate portion of glycoprotein

• Mitochondria

• Phospholipids

Multiple Choice

Which of the following is NOT a component of the cell membrane as shown in the diagram?

• Integral proteins

• Phospholipids

• Mitochondria

• Carbohydrate portion of glycoprotein

Open Ended

Name the circled structures.

Fill in the Blank

Fill in the blank: The cell membrane helps to maintain ___ by controlling what enters and leaves the cell.

Fill in the Blank

Fill in the blank: The movement of water through a selectively permeable membrane is called ___.

Multiple Choice

Which of the following statements about passive and active transport is correct?

• Passive transport requires energy, while active transport does not.

• Active transport moves substances down their concentration gradient.

• Passive transport moves substances without using energy, while active transport requires ATP.

• Both passive and active transport require the use of transport proteins.

Open Ended

Explain how the structure of the cell membrane contributes to its selective permeability.

Open Ended

Explain how the structure of the cell membrane contributes to its selective permeability.

Open Ended

Explain how the structure of the cell membrane contributes to its selective permeability.

Multiple Choice

Which process involves the fusion of a vesicle with the plasma membrane to release its contents outside the cell?

• Endocytosis

• Exocytosis

• Osmosis

• Facilitated diffusion

Open Ended

Describe the difference between phagocytosis and pinocytosis as types of endocytosis.

Open Ended

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

Open Ended

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

Multiple Select

Which of the following are examples of active transport mechanisms in cells?

• Facilitated diffusion

• Osmosis

• Na/K pump

• Endocytosis

Multiple Select

Which of the following are types of passive transport across the cell membrane?

• Simple diffusion

• Facilitated diffusion

• Osmosis

• Endocytosis

Multiple Select

Which of the following are types of passive transport across the cell membrane?

• Simple diffusion

• Facilitated diffusion

• Osmosis

• Exocytosis

Fill in the Blank

Fill in the blank: The movement of water through a selectively permeable membrane is called ___.

Open Ended

Reflecting on what you learned about cellular transport, what questions do you still have or what would you like to know more about?

Open Ended

How do you think the different types of cellular transport contribute to the overall function of the cell membrane?

Open Ended

Reflecting on today's lesson about cellular transport, what is one question you still have or something you would like to learn more about?

Multiple Choice

Which of the following is NOT a type of passive transport in cellular transport?

• Simple diffusion

• Facilitated diffusion

• Osmosis

• Na/K pump

Multiple Choice

Which of the following is NOT a type of passive transport in cellular transport?

• Simple Diffusion

• Facilitated Diffusion

• Osmosis

• Na/K pump

Multiple Choice

Which of the following is an example of active transport in cellular movement?

• Simple diffusion

• Facilitated diffusion

• Osmosis

• Na/K pump