2025-26cell membrane powerpoint
Presentation
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Science
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9th - 12th Grade
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Practice Problem
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Hard
Miranda Dolce
FREE Resource
43 Slides • 27 Questions
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2
Open Ended
How does the structure of the cell membrane contribute to its function?
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Multiple Choice
Why is the cell membrane compared to a fortress?
Because it is made of stone
Because it protects the cell by controlling what enters and leaves
Because it is round in shape
Because it is the largest part of the cell
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Open Ended
Compare the roles of the cell membrane in both eukaryotic and prokaryotic cells based on the diagrams provided.
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Multiple Choice
Which of the following is a function of the cell membrane?
It produces energy for the cell
It regulates what enters and exits the cell
It stores genetic information
It synthesizes proteins
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Fill in the Blanks
Type answer...
12
Open Ended
Explain how the structure of the cell membrane contributes to its function in maintaining homeostasis.
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Multiple Choice
Which of the following statements about the lipid bilayer is correct?
It is made of a single layer of phospholipids
It allows the cell membrane to be rigid and inflexible
It consists of two layers of phospholipids that allow flexibility
It is only found in prokaryotic cells
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16
Multiple Select
Select all the correct statements about cell membrane proteins.
Transport proteins provide channels for molecules to enter and exit the cell
Receptor proteins are specifically shaped to aid in cell communication
Transport proteins are responsible for cell communication
Receptor proteins allow only water to pass through the membrane
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Open Ended
Describe how the endocrine system and nervous system differ in the way they help cells communicate to maintain homeostasis.
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Multiple Choice
Which two body systems are primarily responsible for cell-to-cell communication in humans?
Nervous system and endocrine system
Digestive system and respiratory system
Muscular system and skeletal system
Circulatory system and lymphatic system
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Open Ended
Explain why harmful substances like viruses and bacteria may still enter a cell even though the membrane is selectively permeable.
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Fill in the Blanks
Type answer...
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Multiple Choice
What property allows only small molecules to pass through the cell membrane by diffusion?
Their small size
Their electrical charge
Their color
Their temperature
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Multiple Select
Which of the following molecules can easily diffuse through the cell membrane?
Water
Carbon dioxide
Oxygen
Protein
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Open Ended
Explain why large organic molecules cannot easily pass through the cell membrane and how digestion helps in their absorption.
31
Multiple Choice
Which of the following molecules must be digested into smaller building blocks before they can pass through the cell membrane?
Glucose
Amino acids
Starch
Fatty acids
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Open Ended
How does the selectively permeable cell membrane aid in the maintenance of homeostasis?
35
Multiple Choice
Which of the following molecules are able to easily pass through a selectively permeable membrane?
Starch
Glucose
Proteins
Lipids
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38
Multiple Choice
Which type of cellular transport requires energy in the form of ATP?
Diffusion
Facilitated diffusion
Active transport
Passive transport
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Fill in the Blanks
Type answer...
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Open Ended
The above image represents a real life example of diffusion. Can you think of any other examples?
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Multiple Choice
Will Oxygen move INTO or OUT of the cell?
INTO the cell
OUT of the cell
It will not move
It will move both ways equally
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Open Ended
What is the concentration gradient for Oxygen?
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Open Ended
What is the concentration gradient for molecule 1?
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Multiple Choice
Which of the following statements best describes facilitated diffusion?
Movement of molecules from high to low concentration using a protein channel, without ATP
Movement of molecules from low to high concentration using a protein channel, with ATP
Movement of molecules from high to low concentration without a protein channel, using ATP
Movement of molecules from low to high concentration without a protein channel, without ATP
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Fill in the Blanks
Type answer...
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Multiple Choice
In what ways is the cell membrane similar to a fortress?
It allows all substances to enter freely
It protects the cell by separating environments and controlling entry
It produces energy for the cell
It stores genetic information
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