Which one of these structures involved in replication of bacterial dna?
B. pilli
C. plasmid
D. mesosome
Which one of the following is different from all the rest regarding the number of cells inits body_______________?
A. Rusts
B. Mushrooms
C. Molds
D. Yeasts
Molecular formula of chlorophyll b is_____________?
A. C55 H10 O4 N6 Mg
B. C55 H70 O6 N5 Mg
C. C55 H71 O6 N4 Mg
D. C55 H70 O6 N4 Mg
Which chemical component has the greatest contribution in the total mammalian cell weight__________?
A. Proteins
B. Carbohydrate
C. Lipids
D. Water
Which character differentiates living things from non-living organisms___________?
A. They live in the same ecosystem.
B. They are acted upon by the same environment
C. They are highly organized and complex made of one or more cells and contain genetic material
D. Both a and b
Parabronchi are open at ______________ end/s?
A. Single
B. Both
C. Do not have opening
D. None of these
Symbionts which help plants in uptake of phosphorous and trace metals such as zinc and copper.
A. Bacteria
B. Viruses
C. Fungi
D. Cyanobacteria