Select correct statement(s) w.r.t cell envelope of bacteria.
(a) It is a tightly bound three layered structure.
(b) Glycocalyx could be a loose sheath called the capsule.
(c) All layers of it,act together as a single protective layer.

Choose the wrong statement regarding bacterial cell A. Glycocalyx is the outer most envlope in bacteria B. The glycocalyx could be a loose sheath called capsule C. The glycocalyx may be thick and tough called slime layer D. A special structure formed by the plasma membrane is called mesosome E. Small bristle like fibers sprouting out of the cell are called fimbriae

Bacterial cells have a chemically complex cell envelope. The cell envelope consists of a tightly bound three layer structure, i.e., the

Select correct statement w.r.t Nostac. A. It is a filamentous blue-green algae B. Has ability to fix atmospheric nitrogen in specialised cells having thin wall C. Performs oxygenic photosynthesis

read the following characteristics and select the correct statement w.r.t bacteriophage. (a) usually have ds DNA as genetic material. (b) Tail is proteinaceous and contains genetic material. (c) show binal symmetry. (d) it has 6 tail 3 and 6 tail fibres which aids its attachment to host cell

Identify the correct statement w.r.t. the given cell A. Concerned with lipid and steroidal hormone synthesis B. Outer non- living rigid structure which gives shape to the cell and protects from mechanical damage and infaction . C. Both lie perpendicular to each other and each has an organisation like the cart wheel . D. Responsible for trapping light energy for the synthesis of sugar. E. Present in cells actively involved in protein synthesis and secretion. F. Spherical structures rich in hydrolytic enzymes.