Textbook Question
Cells lining the trachea have whiplike motile extensions on their free surfaces. What are these extensions, what is their source, and what is their function?
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2. Cell Chemistry & Cell Components
Introduction to the Cytoskeleton
Multiple Choice
Microtubules and microfilaments commonly work with which of the following to perform many of their functions?
A
Lysosomes
B
Ribosomes
C
RNA
D
None of the listed responses is correct.
E
Golgi apparatus
Verified step by step guidance1
Understand the roles of microtubules and microfilaments: Microtubules are part of the cytoskeleton and help with cell shape, transport, and division. Microfilaments, also part of the cytoskeleton, are involved in muscle contraction, cell movement, and cell division.
Identify the functions of the Golgi apparatus: The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids for secretion or delivery to other organelles.
Consider how microtubules and microfilaments interact with the Golgi apparatus: Microtubules provide tracks for the movement of vesicles and organelles, including those from the Golgi apparatus, throughout the cell. Microfilaments can also assist in the transport of materials to and from the Golgi apparatus.
Evaluate the other options: Lysosomes are involved in digestion and waste processing, ribosomes are responsible for protein synthesis, and RNA is involved in coding, decoding, regulation, and expression of genes. These do not directly interact with microtubules and microfilaments in the same way as the Golgi apparatus.
Conclude that the Golgi apparatus is the correct answer because it works closely with microtubules and microfilaments to facilitate intracellular transport and communication.
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