Flashcard
What is the primary function of mitochondria?
To produce adenosine triphosphate (ATP) through cellular respiration.
True or False: Mitochondria are known as the powerhouse of the cell.
True.
Fill in the blank: Mitochondria are involved in the process of __________.
aerobic respiration.
What do mitochondria convert into energy?
Glucose and oxygen.
Multiple choice: Which of the following is NOT a function of mitochondria? A) ATP production B) Protein synthesis C) Regulation of cellular metabolism D) Apoptosis
B) Protein synthesis.
What is the structure of mitochondria characterized by?
An outer membrane and a highly folded inner membrane called cristae.
True or False: Mitochondria have their own DNA.
True.
What is the role of cristae in mitochondria?
To increase the surface area for ATP production.
What process occurs in the mitochondrial matrix?
Krebs cycle (Citric acid cycle).
Multiple choice: Which of the following molecules is a byproduct of mitochondrial respiration? A) Carbon dioxide B) Oxygen C) Glucose D) ATP
A) Carbon dioxide.
What is the significance of the mitochondrial membrane potential?
It drives the synthesis of ATP through oxidative phosphorylation.
True or False: Mitochondria are only found in animal cells.
False.
Fill in the blank: Mitochondria play a critical role in __________ regulation.
calcium.
What can excessive mitochondrial activity lead to?
Cellular damage and oxidative stress.
Multiple choice: Which of the following diseases is associated with mitochondrial dysfunction? A) Diabetes B) Alzheimer’s C) Parkinson’s D) All of the above
D) All of the above.
What is the process by which mitochondria can undergo division?
Fission.
True or False: Mitochondria can only produce ATP under aerobic conditions.
False.
What is the main energy currency produced by mitochondria?
Adenosine triphosphate (ATP).
Fill in the blank: The electron transport chain is located in the __________ membrane of the mitochondria.
inner.
What type of cells have a higher number of mitochondria?
Muscle cells.
True or False: Mitochondria can be inherited maternally.
True.
What is the term for programmed cell death that involves mitochondria?
Apoptosis.
Multiple choice: Which of the following is a function of mitochondria? A) Lipid metabolism B) DNA replication C) RNA transcription D) All of the above
A) Lipid metabolism.
What molecule do mitochondria use to generate ATP?
Protons (H+ ions).
Fill in the blank: Mitochondria are involved in the metabolism of __________.
fats.
What is the primary role of mitochondrial ribosomes?
To synthesize proteins encoded by mitochondrial DNA.
True or False: Mitochondrial biogenesis refers to the growth and division of pre-existing mitochondria.
True.
