Endoplasmic reticulum transports proteins and enzymes to their destinations within the cell and outside the cell.
Resolution of microscope is inversely proportional to wavelength of light used.
Out of four options given, blue light has minimum wavelength and hence maximum resolution.
Internally a chloroplast contains a matrix or stroma.
The chlorophyll pigments are located in the grana (thylakoid membranes).
Telomeres are non sticky terminal ends of the chromosomes.
They contain heterochromatin and repetitive DNA that is guanine rich.
The thylakoid membranes possess the chlorophylls.
The outer membrane is permeable to a number of solutes.
Stroma forms the matrix containing the enzyme for Calvin cycle.
Totipotency is the ability of a living somatic plant cell to develop into a complete plant.
It was first demonstrated by Steward et al. (1964) using phloem cells of carrot.
Nucleolus synthesizes and stores RNA.
The ribosomal proteins are synthesized in the cytoplasm and shift to the nucleolus for the formation of ribosomal subunits by complexing with rRNA.
Ribosomes present in nuclear membrane and endoplasmic reticulum take part in protein synthesis.
Two or more ribosomes simultaneously engaged in protein synthesis on the same mRNA strand form polyribosomes.
Nucleolus is the site for active ribosomal RNA synthesis.
Endomembrane system consist of endoplasmic reticulum, Golgi complex, vacuoles and lysosomes.
Mitochondria is semi-autonomous cell organelle.
Ribosome is non-membranous cell organelle.
