18 Questions
What is the primary function of microfilaments in the cytoskeleton?
To generate movement and provide mechanical support
Which of the following cellular processes does NOT involve microfilaments?
Protein synthesis in the endoplasmic reticulum
What is the primary function of the cytosol in a cell?
To act as a site for various chemical reactions required for the cell's existence
Which of the following is NOT a type of cytoskeletal filament?
Ribosomes
What is the relationship between glycogen granules and lipid droplets in a cell?
They are both organelles found within the cytosol
Which of the following is the correct order of the cytoskeletal filaments from smallest to largest diameter?
Microfilaments, intermediate filaments, microtubules
What is the primary function of the endoplasmic reticulum (ER) in a cell?
To produce and assemble proteins for secretion from the cell
What is the role of organelles in maintaining homeostasis within a cell?
Organelles help to compartmentalize different chemical reactions, preventing interference
Which of the following is NOT a function of the cytoskeleton in a cell?
Providing structural support to the cell
How do different types of cells vary in their organelle composition?
The number and types of organelles in a cell depend on the cell's specific function
What is the primary function of the centrosome in a cell?
To organize the microtubules of the cytoskeleton and facilitate cell division
How do organelles cooperate to maintain homeostasis within a cell?
Organelles communicate with each other to coordinate their activities
Which of the following statements about the cell is incorrect?
Cells can arise from non-living matter through abiogenesis.
Which of the following is NOT a main part of a cell?
Endoplasmic reticulum
What is the primary function of the plasma membrane?
To regulate the flow of materials into and out of the cell
Which of the following statements about cell structure and function is correct?
Cell structure and function are intimately related.
What is the main reason for the selectivity of the plasma membrane?
To establish and maintain the appropriate environment for normal cellular activities
Which of the following statements about cell division is correct?
Cell division is a process by which one cell divides into two identical cells.
Learn about the main parts of a cell, including cytoplasm, cytosol, organelles, and the nucleus. Understand how cells differ in size and shape, as well as the cellular changes that occur with aging.
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