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Lelu [443]
3 years ago
9

The endoplasmic reticulum (ER) is a single membrane continuous with the nuclear envelope and a series of interconnected sacs thr

oughout the cell. Why might it be beneficial to the cell for the ER to be continuous with the nuclear envelope?
Biology
1 answer:
Solnce55 [7]3 years ago
7 0

Answer:

The transport of proteins and other bioactive materials from endoplasmic reticulum to the nucleus without the involvement of transport vesicles is the main beneficial for the cell to be continuous with the nuclear envelop.

Explanation:

The rough endoplasmic reticulum or RER that contain ribosomes on its surface is directly continuous with membrane of nucleus.

     This helps nucleus to gain access to the proteins and other materials generated within endoplasmic reticulum.

   If endoplasmic reticulum faces biological problems such as unfolded protein accumulation in the ER is hazardous to the cell.During such circumstances ER send specific signal to the nucleus.

  The nucleus respond to that signal by reducing the rate of protein synthesis,so that the ER would get some extra time to fold the required proteins essential for cellular functioning,

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icang [17]

Answer:

Fungi is the answer of your question

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3 years ago
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De acuerdo con lo anterior llene el siguiente cuadro comparativo señalando con x si las células procariotas o eucariotas posee l
Maurinko [17]

Answer:

El cuadro no está presente pero las diferencias principales entre células eucariotas y procariotas son:

Eucariotas:

Tienen núcleo

Tienen organelas

Tienen Vacuolas

Tienen Citoesqueleto

Tienen Cloroplastos

El ADN está asociado a proteínas

El ADN es lineal

Presentan mitocondrias

Presentan un sistema de endomembranas

Procariotas:

No tienen núcleo

No tienen vacuolas

No tienen cloroplastos

No tienen organelas

El ADN no está asociado a proteínas

El ADN es circular

Presenta mesosomas

Explanation:

Las células procariotas son más primitivas que las eucariotas, por ende, sus estructuras son más simples. Las células procariotas están en organismos unicelulares tales como las bacterias, mientras que las células eucariotas están en organismos unicelulares y pluricelulares como en plantas, animales, u hongos. La diferencia más notoria entre ambos tipos de células es la ausencia de núcleo en las procariotas haciendo que el ADN está disperso en el citoplasma mientras que en las células eucariotas, el ADN está dentro del núcleo celular.

4 0
3 years ago
Each horizontal row in a pedigree chart represents a mating. a generation. several siblings. several characteristics.
Pavel [41]

Answer:

Option B, a generation

Explanation:

A pedigree is a tree diagram that represents the relationships between different individuals based on certain facts and medical(genetic evolutionary) histories. Basically , the branches of the tree represents the generations which allows the researcher understand how certain genetic characteristics or traits are transmitted with in a family

Such as transmission of any genetic diseases from one generation to the other.  

Hence, option B is correct

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Bonjour,

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3. Arteries have a thick elastic muscle layer, whereas the muscle layer for veins is much thinner.
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