What Do You Know About Cell Membrane And Cell Wall? Trivia Quiz
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All of these organisms have a cell wall in their cells except for...?
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Animals
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Vascular plants
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Fungi
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Protists
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Nonvascular plants
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Explore and discover the significance of the cell wall and the cell membrane!
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- 2.
Which of these features of the cell wall allows water and solutes to easily move from the membrane?
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Permeable
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Rigidness
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Semi-permeable
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Porous
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Both c and d
Correct Answer
A. Both c and dExplanation
Both options C and D, which are "semi-permeable" and "porous," allow water and solutes to easily move from the cell membrane. A semi-permeable cell wall allows only certain substances to pass through, while a porous cell wall has small openings that allow the movement of water and solutes. Both of these features contribute to the easy movement of water and solutes across the cell wall.Rate this question:
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- 3.
This is the way that the cell membrane is able to allow material to pass in and out with energy.
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Active transport
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Osmosis
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Passive transport
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Diffusion
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Facilitated transport
Correct Answer
A. Active transportExplanation
Active transport is the correct answer because it is the process by which cells move molecules across the cell membrane against their concentration gradient, requiring energy in the form of ATP. This allows the cell to control the movement of specific molecules in and out of the cell, even when the concentration gradient would naturally oppose their movement. This is in contrast to passive transport, diffusion, osmosis, and facilitated transport, which all rely on the concentration gradient and do not require energy.Rate this question:
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- 4.
Which of these proteins help cells of the same type stick together in the proper tissues?
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Communication
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Receptor
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Recognition
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Adhesion
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Passive transporters
Correct Answer
A. AdhesionExplanation
Adhesion proteins help cells of the same type stick together in the proper tissues. These proteins play a crucial role in maintaining the structural integrity of tissues and organs by promoting cell-cell adhesion. They form strong connections between adjacent cells, allowing them to adhere to each other and form stable tissue structures. Without adhesion proteins, cells would not be able to properly organize and function within tissues, leading to various developmental and physiological abnormalities.Rate this question:
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- 5.
What is the most abundant component of the cell membrane?
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Phospholipids
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Carbohydrates
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Proteins
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Fats
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Sterols
Correct Answer
A. PhospholipidsExplanation
Phospholipids are the most abundant component of the cell membrane. They are a type of lipid that forms a bilayer structure in the cell membrane, with the hydrophilic (water-loving) heads facing outward and the hydrophobic (water-fearing) tails facing inward. This arrangement provides a barrier that controls the movement of substances in and out of the cell. Phospholipids also play a crucial role in maintaining the fluidity and flexibility of the cell membrane. While carbohydrates, proteins, fats, and sterols are also present in the cell membrane, phospholipids make up the majority of its composition.Rate this question:
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- 6.
Which of these allows for metabolic activity by separating the cell from the outside enviroment?
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Cell wall
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Proteins
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Cell membrane
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Lipids
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Secondary cell wall
Correct Answer
A. Cell membraneExplanation
The cell membrane is a selectively permeable barrier that separates the cell from its external environment. It allows for metabolic activity by controlling the movement of substances in and out of the cell. It regulates the entry and exit of molecules, ions, and nutrients, ensuring that the cell maintains a stable internal environment. The cell membrane also contains various proteins that play important roles in cell signaling, transport, and cell adhesion. Therefore, the cell membrane is essential for maintaining cellular homeostasis and allowing metabolic activity to occur within the cell.Rate this question:
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- 7.
Which one of these features will allow it the cell to prevent from bursting from water pressure?
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Cell wall
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Cell membrane
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Phospholipids
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Proteins
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Adhesion proteins
Correct Answer
A. Cell wallExplanation
The cell wall is a rigid structure that surrounds the cell membrane in plant cells. It provides support and protection to the cell, preventing it from bursting due to water pressure. The cell wall is made up of cellulose, which is a strong and non-flexible material. It acts as a barrier, maintaining the shape and integrity of the cell even when there is high internal pressure. In contrast, the cell membrane, phospholipids, proteins, and adhesion proteins do not provide the same level of rigidity and strength as the cell wall, making them less effective in preventing the cell from bursting.Rate this question:
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- 8.
Where is the secondary cell wall located?
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B/n plasma membrane and primary cell wall
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The outermost layer of the plant cell
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B/n nucleus and plasma membrane
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B/n cell membrane and plasma membrane
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In animals cells
Correct Answer
A. B/n plasma membrane and primary cell wallExplanation
The secondary cell wall is located between the plasma membrane and the primary cell wall. This means that it is an additional layer that is formed inside the primary cell wall, providing extra support and protection to the plant cell. It is important to note that the secondary cell wall is specific to plant cells and is not found in animal cells.Rate this question:
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- 9.
Which type of molecules in the cell wall are laid down in the gluey matrix of ropelike strands?
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Lipids
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Chitin
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Cellulose
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Lignin
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Polysaccharides
Correct Answer
A. CelluloseExplanation
Cellulose molecules are laid down in the gluey matrix of ropelike strands in the cell wall. Cellulose is a type of polysaccharide that provides structural support to plant cells. It forms long chains of glucose molecules that are interconnected, creating a strong and rigid structure. The cellulose strands are embedded in a matrix of other molecules, forming a gluey substance that helps hold the cell wall together.Rate this question:
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- 10.
What is the outermost layer of plant cells?
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Plasma membrane
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Secondary cell wall
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Cell wall
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Cytoplasm
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Chitin membrane
Correct Answer
A. Cell wallExplanation
The outermost layer of plant cells is called the cell wall. This rigid structure provides support and protection to the cell, allowing it to maintain its shape and resist mechanical stress. The cell wall is composed of cellulose, a complex carbohydrate that forms a network of fibers, giving the cell wall its strength. It acts as a barrier, controlling the movement of substances in and out of the cell, and also plays a role in cell-to-cell communication and signaling.Rate this question:
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- 11.
What aspect of the cell wall does not allow pathogens to enter it?
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Porous
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Semi-permeable
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Rigidity
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Mechanical strength
Correct Answer
A. Semi-permeableExplanation
The aspect of the cell wall that does not allow pathogens to enter it is its semi-permeability. A semi-permeable membrane selectively allows certain substances to pass through while preventing others from entering. In the case of the cell wall, it acts as a barrier that only allows specific molecules and ions to pass through, while blocking the entry of pathogens and other harmful substances. This helps protect the cell and maintain its integrity.Rate this question:
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- 12.
25% of the cell wall of woody plants are made out of what...?
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Cytoplasm
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Mitochondria
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Cellulose
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Chloroplasts
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Lignin
Correct Answer
A. LigninExplanation
Lignin is a complex organic polymer that provides structural support to the cell walls of woody plants. It makes up about 25% of the cell wall composition in these plants. Lignin is a key component in the rigidity and strength of the cell walls, allowing them to withstand mechanical stress and provide support to the plant. It also helps in water transport and acts as a barrier against pathogens.Rate this question:
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- 13.
What is a barrier to water-soluble substances?
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Cell wall
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Cell membrane
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Lipid bilayer
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Cellulose
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Pectin
Correct Answer
A. Lipid bilayerExplanation
The lipid bilayer is a barrier to water-soluble substances because it is made up of hydrophobic fatty acid tails that repel water. This structure prevents water-soluble substances from freely diffusing across the membrane. Instead, these substances require specific channels or transport proteins to pass through the lipid bilayer.Rate this question:
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- 14.
What is the difference between communication and receptor proteins?
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Receptor proteins are part of the cell wall while communication proteins are not.
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Communication proteins join heart muscle cells while receptor proteins change the cell activities.
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Communication proteins send signals between the parts within the cell while the receptor proteins help identify each cell.
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There are no differences.
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None of the above
Correct Answer
A. Communication proteins join heart muscle cells while receptor proteins change the cell activities.Explanation
The given answer is incorrect. The correct answer is "Communication proteins send signals between the parts within the cell while the receptor proteins help identify each cell." This is because communication proteins are responsible for transmitting signals within the cell, allowing different parts of the cell to communicate with each other. On the other hand, receptor proteins are involved in identifying and binding to specific molecules or signals outside the cell, which then leads to changes in the cell's activities.Rate this question:
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- 15.
What pumps specific solutes to the more concentrated side?
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Active transporters
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Passive transporters
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ATP
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ER
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The nucleus
Correct Answer
A. Active transportersExplanation
Active transporters are responsible for pumping specific solutes to the more concentrated side. Unlike passive transporters, which rely on the concentration gradient to move substances, active transporters require energy, usually in the form of ATP, to move solutes against their concentration gradient. This process allows cells to maintain a higher concentration of certain substances on one side of the membrane, which is essential for various cellular functions. The ER and the nucleus are not directly involved in solute transport, making them incorrect options.Rate this question:
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- 16.
When identifying a cell, what does it mean for the cell to be "nonself"?
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Belonging to the body
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Belonging to the tissue
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Non-existent
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Foreign to the body
Correct Answer
A. Foreign to the bodyExplanation
When a cell is described as "nonself," it means that the cell is foreign to the body. This suggests that the cell does not belong to the organism or is not a part of its normal functioning. It could be an invading pathogen or an abnormal cell that needs to be recognized and eliminated by the immune system. The term "nonself" is often used in the context of immunology to distinguish between the body's own cells (self) and external entities (nonself).Rate this question:
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- 17.
In the lipid bilayer, what is the function of the hydrogen bonds?
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They transport signals through the cell
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They increase the rigidity
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They block the pathogens from entering
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They are actually not part of the bilayer
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They help proteins associate with the phospholipids
Correct Answer
A. They help proteins associate with the phospholipidsExplanation
Hydrogen bonds in the lipid bilayer help proteins associate with the phospholipids. Proteins are embedded within the lipid bilayer and play a crucial role in various cellular processes. The hydrogen bonds between the proteins and phospholipids provide stability and facilitate their interaction. This association is important for the proper functioning of proteins and their involvement in cellular activities such as transport, signaling, and enzymatic reactions.Rate this question:
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- 18.
What does mechanical strength do?
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Protects the cell wall
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Enlarges the cell wall
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Supports the cell wall
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Regulates molecules between the wall and membrane
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A and C
Correct Answer
A. A and CExplanation
Mechanical strength in a cell wall refers to its ability to withstand external forces and maintain its structural integrity. It protects the cell wall by preventing it from breaking or collapsing under pressure. Additionally, mechanical strength also supports the cell wall by providing structural support and stability. Therefore, options A and C, which state that mechanical strength protects and supports the cell wall, are both correct.Rate this question:
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- 19.
What is between the primary and secondary cell wall?
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Cellulose
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Gluey pectin layer
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Cytoplasm
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Lignin
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Wax
Correct Answer
A. Gluey pectin layerExplanation
The gluey pectin layer is located between the primary and secondary cell walls. This layer acts as a cementing substance, holding the cell walls together and providing structural support to the cell. It is composed of pectin, a complex carbohydrate that is responsible for the gel-like consistency of the layer. The pectin layer helps to maintain the integrity and strength of the cell walls, allowing them to withstand mechanical stress and pressure.Rate this question:
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- 20.
How are the cellulose molecules laid down?
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In flat layers
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In circular layers
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In gluey matrix of rope like strands
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In elliptical layers
Correct Answer
A. In gluey matrix of rope like strandsExplanation
Cellulose molecules are laid down in a gluey matrix of rope-like strands. This means that the molecules are arranged in a tangled and interconnected network, resembling the structure of ropes. This arrangement provides strength and rigidity to cellulose, making it a key component of plant cell walls.Rate this question:
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Mar 22, 2023Quiz Edited by
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Jan 01, 2010Quiz Created by
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