What is riophorins? from Biology Cell : The Unit of Life

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 Multiple Choice QuestionsMultiple Choice Questions

311.

In which method of transport, in plasma membrane does not require carrier molecule?

  • Active transport

  • Facilitated diffusion

  • Simple diffusion

  • Na+ - K+ pump


312.

Which structure is present in both prokaryotic and eukaryotic plant cells?

  • Cell wall

  • Nucleus

  • Chloroplast

  • Mitochondria


 Multiple Choice QuestionsShort Answer Type

313.

What is telomere? State its function.


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314.

What is riophorins?


Ribophorins are ribosome receptor proteins that aids in the binding of ribosomes to the rough endoplasmic reticulum. It is an integral protein within the rough endoplasmic reticular membrane. As it is directly related with protein translation, ribophorins are not found in smooth endoplasmic reticulum.


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 Multiple Choice QuestionsMultiple Choice Questions

315.

What is mitoplast?

  • Membraneless mitochondria

  • Another name of mitochondria

  • Mitochondria without outer membrane

  • Mitochondria without inner membrane


316.

Thylakoids occur inside

  • mitochondria

  • chloroplast

  • Golgi apparatus

  • endoplasmic reticulum


317.

Mitochondria are semiautonomous as they possess

  • DNA

  • DNA and RNA

  • DNA, RNA and ribosomes

  • Protein


318.

Which of the cell organelle lacks membrane?

  • Mesosome

  • Mitochondria

  • Ribosome

  • Liposome


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319.

Chromosome is made up of

  • DNA and pectin

  • RNA and DNA

  • DNA and histone

  • only histone


320.

Cell theory is not applicable for

  • bacteria

  • fungus

  • algae

  • virus


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