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Mitochondria and Cell Membrane Functions Quiz

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Mitochondria and Cell Membrane Functions Quiz

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Questions and Answers

What is the main component of neurofibrils?

Mitochondria

Microtubules

Neurofilaments (correct)

Lysosomes

What is the diameter of neuronal microtubules?

15 nm

10 nm

25 nm (correct)

50 nm

Which protein makes up the primary polypeptides in microtubules?

Tubulins (correct)

Myelin

Actin

Neurofilaments

What do microtubules serve as in dendrites and axons?

Primary structural element Signup and view all the answers

Which organelles use microtubules as tracks for intracellular transport?

Mitochondria Signup and view all the answers

What is the function of residual bodies?

Contain inactive enzymes Signup and view all the answers

How are neurofilaments observed under a light microscope after staining with silver?

They form bundles. Signup and view all the answers

What is the diameter of the filaments that make up neurofilaments?

10 nm Signup and view all the answers

Which organelle has long axonal microtubules?

Mitochondria Signup and view all the answers

What is the critical role of microtubules in cells?

Intracellular transport Signup and view all the answers