Which one of the following cellular parts is correctly described?

  • Option 1)

    Centrioles - sites for active RNA synthesis

  • Option 2)

    Ribosomes - those on chloroplasts are larger (80s) While those in the cytoplasm are smaller (70s)

  • Option 3)

    Lysosomes - optimally active at a pH of about 8.5

  • Option 4)

    Thylakoids - Flattened membranous sacs forming the grana of chloroplasts

 

Answers (1)

As depicted in

Plasmids in eukaryotic cell -

Usually absent.

-

 

 

Types of Plastids -

Plastids bear some specific pigments, thus imparting colours to the plants. Base on the type of pigments, plastids can be classified into:

1. Choloroplats

2. Chromoplasts

3. Leucoplasts

 

 

- wherein

 

 Thylakoids are flattened membranous sacs forming the grana of chloroplastic.


Option 1)

Centrioles - sites for active RNA synthesis

Incorrect option

Option 2)

Ribosomes - those on chloroplasts are larger (80s) While those in the cytoplasm are smaller (70s)

Incorrect option

Option 3)

Lysosomes - optimally active at a pH of about 8.5

Incorrect option

Option 4)

Thylakoids - Flattened membranous sacs forming the grana of chloroplasts

Correct option

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