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What are mitochondria surrounded by?
Mitochondria are surrounded by membranes.They have two membranes.
Is nucleus envelope in nucleus?
Yes, the nuclear envelope is a double membrane structure that surrounds the nucleus in a eukaryotic cell. It is made up of an outer membrane and an inner membrane, with nuclear pores allowing for the exchange of materials between the nucleus and the cytoplasm.
What are the main difference between mitochondrial and chloroplast DNA's?
The ribosomes of chloroplasts closely resemble bacterial ribosomes, while mitochondrial ribosomes show both similarities and differences that make their origin more difficult to trace.
Double membrane covered with pores?
This describes the structure of the nuclear envelope, which surrounds the cell nucleus. The double membrane provides a protective barrier, while the pores allow for the exchange of molecules such as proteins and RNA between the nucleus and the cytoplasm.
How and why do inner and outer mitochondrial membranes differ in permeability?
The inner mitochondrial membrane is selectively permeable and highly impermeable to ions and polar molecules due to the presence of transport proteins like ATP synthase and carriers for metabolites. This allows for the establishment of a proton gradient necessary for ATP production. In contrast, the outer mitochondrial membrane is more permeable and allows for the passage of ions, metabolites, and small proteins, facilitating communication and transport of molecules between the mitochondria and the cytosol.
What are mitochondria surrounded by?
Mitochondria are surrounded by membranes.They have two membranes.
What is differences between prokryotes and eukryotes?
has a cell membrane
What are the differences between the plasma membrane and other membranes?
plasma membrane and other membranes are the same
Is nucleus envelope in nucleus?
Yes, the nuclear envelope is a double membrane structure that surrounds the nucleus in a eukaryotic cell. It is made up of an outer membrane and an inner membrane, with nuclear pores allowing for the exchange of materials between the nucleus and the cytoplasm.
What are the main difference between mitochondrial and chloroplast DNA's?
The ribosomes of chloroplasts closely resemble bacterial ribosomes, while mitochondrial ribosomes show both similarities and differences that make their origin more difficult to trace.
Double membrane covered with pores?
This describes the structure of the nuclear envelope, which surrounds the cell nucleus. The double membrane provides a protective barrier, while the pores allow for the exchange of molecules such as proteins and RNA between the nucleus and the cytoplasm.
What is the Membrane that surrounds nucleus?
the nuclear envelope
What are two differences between the goodyear blimps of today and the airship Hindenburg?
Size and type of gas contained in the envelope.
Is the nuclear envelope composed of two bilayers?
There are two phospholipid bilayers that are present in the nuclear envelope. They are the inner and outer phospholipid bilayers. Nuclear envelope are also referred to as karyotheca, nucleolemma or nuclear membrane.
How and why do inner and outer mitochondrial membranes differ in permeability?
The inner mitochondrial membrane is selectively permeable and highly impermeable to ions and polar molecules due to the presence of transport proteins like ATP synthase and carriers for metabolites. This allows for the establishment of a proton gradient necessary for ATP production. In contrast, the outer mitochondrial membrane is more permeable and allows for the passage of ions, metabolites, and small proteins, facilitating communication and transport of molecules between the mitochondria and the cytosol.
Is the nucleus completely isolated from the cytoplasm of the cell by the nuclear envelope?
No, the nucleus is not completely isolated from the cytoplasm. The nuclear envelope has pores that allow for the exchange of molecules between the nucleus and cytoplasm. This allows for communication and transport of molecules between the two compartments.
How does the cell use the charge differences to build up across the inner mitochondrial membrane during cellular respiration?
Energized electrons are carried by NADH and FADH2 from glycolysis and the citric acid cycle to electron acceptors embedded in the cristae of the mitochondrion.As electrons are shuttled along a chain of electron-accepting molecules in the cristae, their energy is used to pump accompanying protons (H+) into the space between mitochondrial membranes. This produces energy stored in ATP.
