Chromatophores take part in?
1. Photosynthesis
2. Growth
3. Movement
4. Respiration
Which of the following structure is not found in a prokaryotic cell?
1. Nuclear envelope
2. Ribosome
3. Mesosome
4. Plasma membrane
The true nucleus is absent in:
1. | a layer present between cell wall and membrane of bacteria |
2. | cell wall of bacteria |
3. | bacterial cell glyco-engineered to possess N-glycosylated proteins |
4. | a layer surrounding the cell wall of bacteria |
Membrane-bound organelles are absent in:
1. Saccharomyces
2. Streptococcus
3. Chlamydomonas
4. Plasmodium
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