10 Questions
What is the main function of a central vacuole in a plant cell?
Maintaining turgor pressure
What differentiates rough endoplasmic reticulum (RER) from smooth endoplasmic reticulum (SER)?
Presence of ribosomes on the membrane
Which organelle is responsible for metabolizing macromolecules into smaller parts in a cell?
Cytoplasm
What is the primary role of cytoplasm in a cell?
Metabolizing macromolecules
What does the tonoplast in a plant cell's central vacuole mainly regulate?
Movement of ions around the cell
Which of the following statements about the cell membrane is incorrect?
It is composed of a double layer of phospholipids sandwiched between two layers of proteins.
What is the primary function of the cell membrane?
To separate the cell contents from the external environment and control selective permeability.
Which of the following statements about the cytoplasm is incorrect?
It is separated from the vacuole in plant cells by the endoplast membrane.
What is the function of the endoplasmic reticulum in relation to the cell membrane?
It is connected to the cell membrane, forming a continuous channel system.
In plant cells, where is the plasma membrane typically located?
It is usually lying under the cell wall.
Test your knowledge on the structure of the cell membrane, also known as the plasma membrane. Learn about the composition, function, and location of this essential part of a cell.
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