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Examine the figure (a) Is this st...

Examine the figure

(a) Is this structure present in animal cell of plant cell ?
(b) Can these be passed on to the progeny? How ?
( c) Name the metabolic processes taking place in the places marked (A) and (B).

Text Solution

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(a) The above figure show the chloroplast which is green in colour and performs photosynthesis in plants thus. The sturcture is present in plant cell.
(b) Yes, chloroplast has the power of self replication because of presence of extranuclear DNA.
( c ) The metabollic that occurs in the marked places are as follows.
A- It is the stroma of chloroplast where dark reaction of photosynthesis takes place.
B- It is the structure of extra nuclear DNA and is responsible for replication of chloroplast, when it is required in the photosynthesising cells.
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Knowledge Check

  • Which cell structure is present in plant cells but not in animal cells ?

    A
    Cell membrane
    B
    Cell wall
    C
    Cytoplasm
    D
    Mitochondria

  • In a cell process of respiration takes place in

    A
    Mitochondria
    B
    Plastids
    C
    Ribosomes
    D
    Lysosomes

  • Protein synthesis in an animal cell, takes place

    A
    Only in the cytoplasm
    B
    In the cytoplasm as well as in mitochondria
    C
    In the nucleolus as well as in the cytoplasm
    D
    Only on ribose attahed to nucleon

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