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3 years ago

Components of the cell membrane constantly shift. The _____ model describes this characteristic of the cell membrane.

Biology

2 answers:

pochemuha3 years ago

7 0

I'm pretty sue it's called the Fluid Mosaic model :)

Natali [406]3 years ago

3 0

The given blank can be filled with the Fluid mosaic model.

The fluid mosaic model illustrates different observations considering the composition of the functional cell membranes. It describes the membrane of the cell as a two-dimensional liquid, which limits the lateral diffusion of the components of the membrane.

The model illustrates the composition of the plasma membrane as a mosaic of constituents comprising the cholesterol, phospholipids, carbohydrates, and proteins, which gives the membrane a fluid characteristic. This model illustrates that the constituents of the cell membrane shifts spontaneously.

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4 years ago

A number of antibiotics attack prokaryotic protein synthesis, but not eukaryotic protein synthesis. Name two common antibiotics

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Answer:

Streptomycin and Erythromycine.

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Streptomycin does not stop protein synthesis in eukaryotic cells because it does not bind to eukaryotic ribosomes.

Erythromycine:The Erythromycine inhibits protein synthesis through interference with the binding 50s subunit ribosome.

Erythromycin does not estop protien synthesis in eukaryotic cells because it does not binds to eukaryotic ribosome.Specificity towards prokaryotes relies upon the absence of 50S ribosomes in eukaryotes.

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Antibiotics are simply chemicals that kill prokaryotic cells but do not harm eukaryotic cells. They are natural chemicals produced by fungi and bacteria that act to control their bacterial competitors.

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There are different classes of antibiotics inhibit different steps of prokaryotic life cycle.

Streptomycin and Erythromycin are group of antibiotics that inhibit protein synthesis of bacteria.They are specifically effective against prokaryotes does not inhibit protien synthesis of eukaryotes.

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3 years ago