- Do all eukaryotes have mitochondria and chloroplasts?
- Why chloroplast and mitochondria are considered prokaryotes?
- Why does the mitochondria have two membranes?
- Do mitochondria and chloroplasts have two membranes?
- Do animal cells have mitochondria and chloroplasts?
- What do mitochondria and chloroplasts have in common?
- What is the chloroplasts main function?
- What kinds of eukaryotic cells have chloroplasts?
- How does oxygen get into or out of chloroplasts and mitochondria?
- Why do chloroplasts and mitochondria have double membranes?
- Can mitochondria and chloroplasts live independently?
- What are mitochondria and chloroplasts two types of?
- What were mitochondria and chloroplasts originally?
- What do mitochondria chloroplasts and bacteria have in common?
- Is mitochondria prokaryotic or eukaryotic?
- Can mitochondria survive independently?
- Do eukaryotic cells have mitochondria?
- Is there chloroplast in mitochondria?
- Why do mitochondria have double membranes?
- Are chloroplasts found in animal cells?
- Is it possible today for a eukaryotic cell to live without mitochondria or chloroplasts?
Do all eukaryotes have mitochondria and chloroplasts?
All eukaryotic cells have mitochondria, plants (which are eukaryotic) have both mitochondria and chloroplasts.
These bacteria survived within the eukaryotic cell, becoming an endosymbiont, which over time became mitochondria.
All eukaryotes (including us) are descended from the mitochondria-containing eukaryote..
Why chloroplast and mitochondria are considered prokaryotes?
– Chloroplasts and mitochondria are prokaryotic. They have their own genes on a small, circular chromosome but no nucleus. This chromosome has little non-coding DNA, similar to those of bacteria. Chloroplasts and mitochondria also make some of their own proteins from their genes.
Why does the mitochondria have two membranes?
As previously mentioned, mitochondria contain two major membranes. The outer mitochondrial membrane fully surrounds the inner membrane, with a small intermembrane space in between. The outer membrane has many protein-based pores that are big enough to allow the passage of ions and molecules as large as a small protein.
Do mitochondria and chloroplasts have two membranes?
Like mitochondria, chloroplasts are surrounded by two membranes. The outer membrane is permeable to small organic molecules, whereas the inner membrane is less permeable and studded with transport proteins.
Do animal cells have mitochondria and chloroplasts?
Both animal and plant cells have mitochondria, but only plant cells have chloroplasts. Plants don’t get their sugar from eating food, so they need to make sugar from sunlight. This process (photosynthesis) takes place in the chloroplast.
What do mitochondria and chloroplasts have in common?
describe two common characteristics of chloroplasts and mitochondria. Consider both function and membrane structure. Both organelles are involved in energy transformation, mitochondria in cellular respiration and chloroplasts in photosynthesis.
What is the chloroplasts main function?
In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants to have rigid structures as varied as wood trunks and supple leaves; and vacuoles allow plant cells to change size.
What kinds of eukaryotic cells have chloroplasts?
Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant.
How does oxygen get into or out of chloroplasts and mitochondria?
oxygen is important in the reactions of both photosynthesis and cellular respiration. How does oxygen get into or out of the chloroplasts and mitochondria? … The inner membrane of the mitochondria is folded; these folds are called cristae.
Why do chloroplasts and mitochondria have double membranes?
The double membrane found in mitochondria and chloroplasts appears to be a relic of the absorption of the prokaryotic bacteria by the eukaryotic host cells. The inner membrane, which now contains numerous folds, apparently came from the bacterial membrane, while the outer membrane came from the host cell itself.
Can mitochondria and chloroplasts live independently?
Despite their many similarities, mitochondria (and chloroplasts) aren’t free-living bacteria anymore. The first eukaryotic cell evolved more than a billion years ago. Since then, these organelles have become completely dependent on their host cells.
What are mitochondria and chloroplasts two types of?
Both the chloroplast and the mitochondrion are organelles found in the cells of plants, but only mitochondria are found in animal cells. The function of chloroplasts and mitochondria is to generate energy for the cells in which they live. The structure of both organelle types includes an inner and an outer membrane.
What were mitochondria and chloroplasts originally?
Mitochondria and chloroplasts likely evolved from engulfed prokaryotes that once lived as independent organisms. At some point, a eukaryotic cell engulfed an aerobic prokaryote, which then formed an endosymbiotic relationship with the host eukaryote, gradually developing into a mitochondrion.
What do mitochondria chloroplasts and bacteria have in common?
Bacteria carry their DNA, the molecule that contains genes, in circular components called plasmids. Mitochondria and chloroplasts have their own DNA carried in plasmid-like structures. … These organelles make their own DNA and synthesize their own proteins independent of the rest of the cell.
Is mitochondria prokaryotic or eukaryotic?
No, prokaryotes do not have mitochondria. Mitochondria are only found in eukaryotic cells. This is also true of other membrane-bound structures like the nucleus and the Golgi apparatus (more on these later).
Can mitochondria survive independently?
However, mitochondria cannot survive outside the cell. … Mitochondria divide independently by a process that resembles binary fission in prokaryotes. Specifically, mitochondria are not formed de novo by the eukaryotic cell; they reproduce within the cell and are distributed between two cells when cells divide.
Do eukaryotic cells have mitochondria?
In addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus, and lysosomes. Each of these organelles performs a specific function critical to the cell’s survival.
Is there chloroplast in mitochondria?
Chloroplasts are found only in plants and photosynthetic algae. The energy contained in these sugars is harvested through a process called cellular respiration, which happens in the mitochondria of both plant and animal cells. … Chloroplasts are disc-shaped organelles found in the cytosol of a cell.
Why do mitochondria have double membranes?
The cristae greatly increase the total surface area of the inner membrane. The larger surface area makes room for many more of the above-named structures than if the inner membrane were shaped like the outer membrane. The membranes create two compartments.
Are chloroplasts found in animal cells?
Chloroplasts are the food producers of the cell. The organelles are only found in plant cells and some protists such as algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells.
Is it possible today for a eukaryotic cell to live without mitochondria or chloroplasts?
Is it possible today for a eukaryotic cell to live without mitochondria or chloroplasts? No, eukaryotic cells cannot live without mitochondria and chloroplasts; they provide the energy cells need to survive.