Which one of the following does not differ in E.coli and Chlamydomonas?
1. Ribosomes
2. Chromosomal organization
3. Cell wall
4. Cell membrane
Membrane-bound organelles are absent in:
1. Saccharomyces
2. Streptococcus
3. Chlamydomonas
4. Plasmodium
1. proplastids
2. glyoxisomes
3. peroxisomes
4. mitochondria
Which one of the following statements about mycoplasma is wrong?
1. They are also called PPLO
2. They are pleomorphic
3. They are sensitive to penicillin
4. They cause disease in plants
The phrase 'Omnis cellula-e-cellula' was given by:
1. Virchow
2. Pasteur
3. Schleiden
4. Brown
Membrane is absent in:
1. nucleus
2. nucleolus
3. vacuole
4. lysosome
In prokaryotes, chromatophores are:
1. | specialised granules responsible for the colouration of cells |
2. | structures responsible for organising the shape of the organism |
3. | inclusion bodies lying free inside the cells for carrying out various metabolic activities |
4. | internal membrane systems that may become extensive and complex in photosynthetic bacteria |