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cell Membrane
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∙ 11y ago
Shahzad Ahmad
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Cell membrane is to a cell as nuclear membrane is to?
Nucleus. Cell is bound by the cell membrane, and the nucleus is bound by nuclear envelope, or nuclear membrane.
What is necleur membrane?
The nuclear membrane is the membrane that surrounds the nucleus of a cell. It is a double lipid bilayer membrane and it regulates what comes in and goes out of the nucleus.
Three basic parts of all cells?
Three basic parts are nucleus, cytoplasm and cell membrane. Nucleus contain the genetic information of a species (DNA). Cytoplasm has all the cell organelles and molecules. Plasma membrane make the boundary of a cell, that conducts ions and participate in cell signalling.
What are folded layers of the inner membrane in mitochondria called?
I think you are referring to the cristae. These are the folded parts of the inner membrane. The purpose is to increase surface area of the inner membrane against the matrix. The membrane is the site of the energy transfer in the mitochondria, so having more surface area is a plus.
What is the double bilayer membrane that contains the nucleus?
The nucleus is found inside a lipid bilayer membrane that is very similar to the membrane around the entire cell. It is called the nuclear membrane.
How is the innermost of these layers different from that of the nucleus?
The inner mitochondrial membrane is highly folded
Are the nucleus and the mitochondrion surrounded by two layers of unit membrane?
The inner mitochondrial membrane is highly folded.
What are the functions of the endoplasm?
The endoplasmic reticulum is a folded membrane what moves about the cell. It extends from the nucleus to the cell membrane. It is responsible for the production of the protein and lipid. Ribosomes also make proteins.
What is the Definition of membrane invagination hypothesis?
The membrane invagination hypothesis assumes that the prokaryotic cell membrane folded in on itself so thmbrane was formed. This double membrane is common in the organalles of eukaryotic cells. The DNA becomes attached to one such infolding resulting in a presursor of the nucleus. Later this infolding enclosed DNA within interacellular sac forming the primordial nucleus.
Do archaebacteria have a cell membrane or a nucleus?
They have a cell membrane but no nucleus.
What does a nucleus membrane do?
a nucleus membrane protect any materials from it
Where is the DNA stored in a cell?
In the Membrane bound nucleus
Why is the inner membrane folded?
Mitochondria
Is the nucleus part of the nuclear membrane?
Yes. The nuclear membrane includes the nucleus. It allows movement into and out of the nucleus.
What organelle controls what enters and leaves the nucleus?
nuclear ,membrane
What sorrounds the nucleus?
Nucleus membrane
What sourronds the nucleus?
The nucleus membrane.
