Which one of the following cellular parts is correctly described?

  • A
    Thylakoids - flattened membranous sacs forming the grana of chloroplasts
  • B
    Centrioles - sites for active $RNA$ synthesis
  • C
    Ribosomes - those on chloroplasts are larger $(80S)$ while those in the cytoplasm are smaller $(70S)$
  • D
    Lysosomes - optimally active at a $pH$ of about $8.5$

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Similar Questions

Which of the following cell organelles is not considered as a part of an endomembrane system?

What is the full form of $EM$?

In the given figure,what do $a$ and $b$ represent respectively?

Match the column $I$ with column $II$.
Column-$I$Column-$II$
$(a)$. Glyoxysome$(i)$. Plant lysosomes
$(b)$. Sphaerosome$(ii)$. Glyoxylate cycle
$(c)$. Mitochondria$(iii)$. Photorespiration
$(d)$. Peroxisome$(iv)$. Succinate dehydrogenase

Which organelle given below is not a part of the endomembrane system?

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