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Questions and Answers
What is the main function of microtubules in a cell?
What is the main function of microtubules in a cell?
- Form spindle fibers during cell division
- Support the cell shape
- Facilitate intracellular movement of organelles (correct)
- Help in muscle contraction
Where are centrioles found and how are they structured?
Where are centrioles found and how are they structured?
- Found in plant cells, composed of doublet microtubules
- Found in both plant and animal cells, composed of actin and myosin
- Found in animal cells, composed of 9 sets of triplet microtubules arranged in a ring (correct)
- Found in bacterial cells, composed of intermediate filaments
Which protein is responsible for muscle contraction?
Which protein is responsible for muscle contraction?
- Actin
- Tubulin
- Keratin
- Myosin (correct)
What is the structure of microfilaments in a cell?
What is the structure of microfilaments in a cell?
Which cytoskeletal component plays a role in holding a cell's shape?
Which cytoskeletal component plays a role in holding a cell's shape?
Where are intermediate filaments mainly found?
Where are intermediate filaments mainly found?
What is the main function of chloroplasts?
What is the main function of chloroplasts?
Which structure in the chloroplast contains chlorophyll molecules?
Which structure in the chloroplast contains chlorophyll molecules?
What is the function of microtubules in the cytoskeleton?
What is the function of microtubules in the cytoskeleton?
Which component of the chloroplast acts like a skeleton and keeps thylakoids at a safe distance from each other?
Which component of the chloroplast acts like a skeleton and keeps thylakoids at a safe distance from each other?
What is the dense fluid that lies outside the thylakoids in a chloroplast called?
What is the dense fluid that lies outside the thylakoids in a chloroplast called?
What is the main characteristic that distinguishes a chloroplast from other types of plastids?
What is the main characteristic that distinguishes a chloroplast from other types of plastids?
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