22 Questions
What is the primary function of the Golgi apparatus?
To modify and package proteins for transport and secretion
What is the primary function of the centrosome in cell division?
To distribute chromosomes
What is the purpose of the cristae in the mitochondria?
To increase the surface area for cellular respiration
What is the main difference between lysosomes and peroxisomes?
The type of enzymes they contain
What is the main component of the nucleoplasm?
RNA and DNA
What is the process called when a vesicle formed in the Golgi apparatus releases its contents to the outside of the cell?
Exocytosis
What is the structure that allows sperm cells to swim towards the egg cell?
Flagella
What is the function of vesicles in the cell?
To store or transport substances within or between cells
What is the site of ribosome production in the nucleus?
Nucleolus
What is the term for the condensed form of DNA present during cell division?
Chromosomes
What is unique about the mitochondria in terms of reproduction?
They have their own DNA and can reproduce by dividing
What is the function of short cilia found on the surface of certain epithelial cells?
To move fluids
What is the main function of the nucleus in a cell?
To direct cell's activities and contain DNA
What is the main component of the cell membrane?
Lipids and proteins
What is the function of the cytosol?
To suspend organelles and fluids in the cytoplasm
What type of proteins are found in the cell membrane and protrude on both sides?
Transmembrane proteins
What is the function of the endoplasmic reticulum?
To function as a transport network throughout the cell
What is the main function of ribosomes?
To provide structural support and enzyme activity for protein synthesis
What is the function of glycoproteins in the cell membrane?
To help identify cells as 'self', protecting them from attack by the immune system
What is the characteristic of the cell membrane that allows it to regulate the movement of substances in and out of the cell?
It is selectively permeable
What is the function of the cell membrane in signal transduction?
To participate in signal transduction, a method of communication with other cells
What type of molecules can pass through the phospholipid portion of the cell membrane?
Lipid-soluble molecules
Learn about the different types of organelles and vesicles in cells, including their functions and interactions. This quiz covers the structure and role of the Golgi apparatus and vesicles in protein transport and modification. Test your knowledge of cell biology and organelle functions.
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