Which of the following statements is correct?

  • A
    The core of cilium or flagellum is the basal body.
  • B
    Elaioplasts store starch whereas aleuroplasts store proteins.
  • C
    Membranous extensions into the cytoplasm in cyanobacteria which contain pigments are called chromatophores.
  • D
    Acrocentric chromosomes have only one arm.

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How many of the following organelles are part of the endomembrane system: Vacuoles,Peroxisomes,Mitochondria,Chloroplasts,Golgi complex?

Choose the correct statements regarding cell organelles and their inclusions.
$A$. The endomembrane system includes Golgi complex, endoplasmic reticulum and mitochondria.
$B$. Rough endoplasmic reticulum bears ribosomes on its surface.
$C$. Both mitochondria and plastids have circular $DNA$.
$D$. $A$ network of microtubules, microfilaments and intermediate filaments present in the cytoplasm is called cytoskeleton.
$E$. Mitochondrion is a single membrane-bound structure.
Choose the correct answer from the options given below:

The best microscope to study the fine structure of a cell is .....

The given figures show two types of cells. Which structures are common to both the cells?

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