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Cytology: Mitochondria Structure and Function

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Cytology: Mitochondria Structure and Function

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Questions and Answers

What is the main function of mitochondria?

Generating ATP by oxidative phosphorylation (correct)

Facilitating cell communication

Storing genetic material

Synthesizing proteins

How is the inner membrane of mitochondria specialized for energy production?

It contains ribosomes

It stores DNA

It is folded to form cristae (correct)

It is smooth and freely permeable

Which stain can be used to visualize mitochondria as fine rods or thread-like structures?

Eosin (pink)

Hematoxylin (dark blue)

Methylene blue (blue)

Janus green (green) (correct)

What feature distinguishes rough endoplasmic reticulum (rER) from smooth endoplasmic reticulum (sER)?

Presence of ribosomes (A) Signup and view all the answers

Which organelle in the cell can increase its number based on the energy demands of the cell?

Mitochondria (C) Signup and view all the answers

What is the primary source of energy for the cell?

Mitochondria (C) Signup and view all the answers

Where do lysosomes originate from?

Golgi apparatus (D) Signup and view all the answers

Which organelle serves as the digestive apparatus of the cell?

Lysosomes (A) Signup and view all the answers

What is the primary function of lysosomes?

Intracellular digestion (D) Signup and view all the answers

How are primary lysosomes different from secondary lysosomes?

Primary lysosomes have homogenous density, secondary lysosomes have heterogenous density. (A) Signup and view all the answers

What is the fate of residual bodies in active long-living cells?

Accumulate forming lipofuscin pigment (C) Signup and view all the answers

When are lysosomes activated to start autolysis of body cells?

After death (D) Signup and view all the answers

What is the main function of the rough endoplasmic reticulum?

Synthesis of proteins by attached ribosomes (C) Signup and view all the answers

Which organelle is not directly involved in the synthesis of lipids?

Mitochondria (C) Signup and view all the answers

What is the primary function of the Golgi complex?

Processing and packaging of proteins and lipids (D) Signup and view all the answers

Which of the following is not a function of the smooth endoplasmic reticulum?

Synthesis of proteins by attached ribosomes (A) Signup and view all the answers

Which of the following organelles is characterized by a stacked, saucer-shaped structure under an electron microscope?

Golgi complex (B) Signup and view all the answers

Which organelle is responsible for the detoxification of drugs, hormones, and toxins in liver cells?

Smooth endoplasmic reticulum (C) Signup and view all the answers

Cytology: Mitochondria Structure and Function

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Podcast

Questions and Answers

What is the main function of mitochondria?

How is the inner membrane of mitochondria specialized for energy production?

Which stain can be used to visualize mitochondria as fine rods or thread-like structures?

What feature distinguishes rough endoplasmic reticulum (rER) from smooth endoplasmic reticulum (sER)?

Which organelle in the cell can increase its number based on the energy demands of the cell?

What is the primary source of energy for the cell?

Where do lysosomes originate from?

Which organelle serves as the digestive apparatus of the cell?

What is the primary function of lysosomes?

How are primary lysosomes different from secondary lysosomes?

What is the fate of residual bodies in active long-living cells?

When are lysosomes activated to start autolysis of body cells?

What is the main function of the rough endoplasmic reticulum?

Which organelle is not directly involved in the synthesis of lipids?

What is the primary function of the Golgi complex?

Which of the following is not a function of the smooth endoplasmic reticulum?

Which of the following organelles is characterized by a stacked, saucer-shaped structure under an electron microscope?

Which organelle is responsible for the detoxification of drugs, hormones, and toxins in liver cells?

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