3.1 Cell Membrane & Nucleus 2025-26
Presentation
•
Science
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
Marc Serrano
FREE Resource
20 Slides • 12 Questions
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Multiple Choice
Which of the following correctly represents the levels of structural organization in the human body from simplest to most complex?
Chemical, Cellular, Tissue, Organ, Organ System, Organismal
Cellular, Chemical, Tissue, Organ, Organ System, Organismal
Organismal, Organ System, Organ, Tissue, Cellular, Chemical
Tissue, Organ, Organ System, Organismal, Cellular, Chemical
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6
7
8
Multiple Select
Which of the following elements are major components of most cells?
Carbon
Hydrogen
Oxygen
Calcium
9
Multiple Choice
What percentage of water are cells approximately composed of?
30%
60%
90%
80%
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12
Multiple Choice
What is the primary function of the plasma membrane in a cell?
It produces energy for the cell
It separates cell contents from the surrounding environment
It stores genetic information
It synthesizes proteins
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14
Multiple Choice
Which of the following is NOT a component of the fluid mosaic model of the plasma membrane?
Phospholipid bilayer
Cholesterol
Glycolipids
Cell wall
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17
Multiple Choice
What property of phospholipids makes them a good foundation for cell membranes?
Their ability to store energy
Their polarity
Their rigidity
Their large size
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19
Fill in the Blanks
The hydrophilic heads of phospholipids are oriented on the ___ and ___ surfaces of the membrane.
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21
Multiple Select
Which of the following are specialized functions of membrane proteins?
Acting as enzymes
Serving as receptors for hormones
Transporting substances as channels or carriers
Storing genetic information
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23
Multiple Choice
What is the main function of tight junctions between cells?
Allowing free passage of substances
Binding cells loosely together
Preventing substances from passing between cells
Facilitating cell movement
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25
Multiple Choice
How do desmosomes contribute to cellular integrity?
By storing genetic information
By allowing free movement of cells
By preventing cells from being pulled apart
By facilitating nutrient exchange
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28
Multiple Choice
Which type of cell junction allows communication between cells?
Tight junctions
Desmosomes
Adherens junctions
Gap junctions
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Fill in the Blanks
The control center of a cell is called the
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