Chloroplast Structure and Function

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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?

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?

Actin

Tubulin

Keratin

Myosin (correct)

What is the structure of microfilaments in a cell?

Solid rods composed of actin twisted to form a helix Signup and view all the answers

Which cytoskeletal component plays a role in holding a cell's shape?

Microfilaments Signup and view all the answers

Where are intermediate filaments mainly found?

In structures such as hair and fingernails Signup and view all the answers

What is the main function of chloroplasts?

Converting light energy to chemical energy Signup and view all the answers

Which structure in the chloroplast contains chlorophyll molecules?

Thylakoids Signup and view all the answers

What is the function of microtubules in the cytoskeleton?

Aiding in cell motility and organelle movement Signup and view all the answers

Which component of the chloroplast acts like a skeleton and keeps thylakoids at a safe distance from each other?

Grana Signup and view all the answers

What is the dense fluid that lies outside the thylakoids in a chloroplast called?

Stroma Signup and view all the answers

What is the main characteristic that distinguishes a chloroplast from other types of plastids?

High concentration of chlorophyll Signup and view all the answers

Chloroplast Structure and Function

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Questions and Answers

What is the main function of microtubules in a cell?

Where are centrioles found and how are they structured?

Which protein is responsible for muscle contraction?

What is the structure of microfilaments in a cell?

Which cytoskeletal component plays a role in holding a cell's shape?

Where are intermediate filaments mainly found?

What is the main function of chloroplasts?

Which structure in the chloroplast contains chlorophyll molecules?

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?

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?

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