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Mitochondria can be thought of as the "powerhouses" of the cell, as they produce adenosine triphosphate (ATP), the primary energy currency used by cells for various functions. They are also involved in other essential processes, such as regulating metabolism, apoptosis (programmed cell death), and calcium homeostasis. Additionally, mitochondria have their own DNA and can replicate independently, highlighting their unique role within cellular Biology.
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Why is DNA present in mitochondria of a cell?
It is thought that the mitochondria were once microorganisms and so have their own DNA.
What do organisms placed in the proposed kingdom Archaezoa lack?
Organisms in the proposed kingdom Archaezoa lack mitochondria. They are thought to have evolved early in the eukaryotic lineage before the endosymbiotic event that led to the development of mitochondria.
Two organelles that are believed to be remnants of unicellular bacteria are?
Mitochondria and chloroplasts are two organelles believed to be remnants of unicellular bacteria. Mitochondria are thought to have evolved from aerobic bacteria, while chloroplasts are believed to have originated from photosynthetic bacteria.
Which of these cellular organelles have their own DNA?
Mitochondria and chloroplasts have their own DNA. Mitochondria DNA is circular, similar to bacterial DNA, and is inherited maternally. Chloroplasts also have circular DNA and are thought to have originated from endosymbiotic relationships with ancient prokaryotes.
How is mitochondra formed?
Mitochondria are thought to have originated from bacteria that were engulfed by primitive eukaryotic cells in a symbiotic relationship. Over time, these bacteria evolved into organelles within the host cell, becoming mitochondria. This evolutionary event is known as endosymbiosis.
What is related to mitochondria?
It is thought that mitochondria were once bacteria as they have their own DNA and it is similar to bacterial DNA.
Why is DNA present in mitochondria of a cell?
It is thought that the mitochondria were once microorganisms and so have their own DNA.
What pair of organelles are thought to have originated from prokaryotes that were taken in but not digested?
Mitochondria and chloroplasts.
What do organisms placed in the proposed kingdom Archaezoa lack?
Organisms in the proposed kingdom Archaezoa lack mitochondria. They are thought to have evolved early in the eukaryotic lineage before the endosymbiotic event that led to the development of mitochondria.
Two organelles that are believed to be remnants of unicellular bacteria are?
Mitochondria and chloroplasts are two organelles believed to be remnants of unicellular bacteria. Mitochondria are thought to have evolved from aerobic bacteria, while chloroplasts are believed to have originated from photosynthetic bacteria.
Which of these cellular organelles have their own DNA?
Mitochondria and chloroplasts have their own DNA. Mitochondria DNA is circular, similar to bacterial DNA, and is inherited maternally. Chloroplasts also have circular DNA and are thought to have originated from endosymbiotic relationships with ancient prokaryotes.
What is the first organisms here on earth?
Prokaryotes (single-celled bacteria) are thought to be the first organisms in the world. They were thought to have formed in a "mitochondria sandwhich" which is two pieces of mitochondria pressed together with various substances such as water pressed in between, allowing organisms to form in the moist conditions. For further clarification on the "mitochondria sandwhich" theory, research it.
Why only mitochondria and chloroplast have DNA?
They were thought to have been separate organisms before the formation of the cell.
Where do we think mitochondria and chloroplasts came from?
They are thought to evolved from bacteria. Symbiotic living have turned them into organelles
How is mitochondra formed?
Mitochondria are thought to have originated from bacteria that were engulfed by primitive eukaryotic cells in a symbiotic relationship. Over time, these bacteria evolved into organelles within the host cell, becoming mitochondria. This evolutionary event is known as endosymbiosis.
What parts of a cell do scientists think were once free-living organisms?
Mitochondria and chloroplasts are thought to have once been a free prokaryotic cell.
What are the energy-producing organelles?
The energy-producing organelles in cells are called mitochondria. They generate ATP (adenosine triphosphate), which is the energy currency of the cell, through a process called cellular respiration. Mitochondria contain their own DNA and are thought to have originated from symbiotic bacteria.
