Scelta multipla
In eukaryotic cells, what do lysosomes and the Golgi apparatus have in common?
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13. Intracellular Protein Transport
Membrane Enclosed Organelles
Scelta multipla
Which of these cellular components is not considered a membrane bound organelle?
A
Vacuole
B
Microtubules
C
Golgi apparatus
D
Chloroplast
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Understand the definition of a membrane-bound organelle: These are structures within a cell that are enclosed by a lipid bilayer membrane, allowing them to maintain a distinct internal environment.
Identify the given options: Vacuole, Microtubules, Golgi apparatus, and Chloroplast.
Recall the characteristics of each option: Vacuoles, Golgi apparatus, and Chloroplasts are all membrane-bound organelles, each enclosed by one or more membranes.
Consider the structure of microtubules: Microtubules are part of the cytoskeleton, which is a network of protein filaments and tubules in the cytoplasm of many living cells, providing structure and shape. They are not enclosed by a membrane.
Conclude that microtubules are not considered a membrane-bound organelle because they lack a surrounding lipid bilayer, unlike the other options provided.
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