Which of the following structures is not found in a prokaryotic cell ?
Which of the following biomolecules does have a phosphodiester bond ?
Monosaccharides in a polysaccharide
Amino acids in a polypeptide
Nucleic acids in a nucleotide
Fatty acids in a diglyceride
Arrange the following events of meiosis in correct sequence:
Which of the following are not membrane - bound ?
Match the columns and identify the correct option.
Column I Column II
(a) Thylakoids (i) Disc-shaped sacs in Golgi apparatus
(b) Cristae (ii) Condensed structure of DNA
(c) Cisternae (iii) Flat membranous sacs in stroma
(d) Chromatin (iv) Infoldings in mitochondria
(a) (b) (c) (d)
(iii) (iv) (i) (ii)
(iii) (i) (iv) (ii)
(iii) (iv) (ii) (i)
(iv) (iii) (i) (ii)
Cellular organelles with membranes are:
chromosomes, ribosomes and endoplasmic reticulum
endoplasmic reticulum, ribosomes and nuclei
lysosomes, Golgi apparatus and mitochondria
nuclei, ribosomes and mitochondria
Cell wall is absent in :
A protoplast is a cell:
without cell wall
without plasma membrane