Question

10. Define the following terms: (6)

Answer 1

Explanation:

Nucleoid-The nucleoid is an irregularly shaped region with the prokaryotic cell that contains all or most of the genetic material. The chromosome of a prokaryote is circular, and its length is very

large compared to the cell dimensions.

Mesosomes-Mesosomes or chondrioids are folded invaginations in the plasma membrane of bacteria that are produced by the chemical fixation techniques used to prepare samples for electron microscopy.

Capsid-A capsid is the protein shell of a virus, enclosing its genetic material. It consists of several oligomeric structural subunits made of protein called protomers. The observable 3-dimensional morphological subunits, which may or may not correspond to individual proteins, are called capsomeres.

Plasmalemma-a plasma membrane which bounds a cell, especially one immediately within the wall of a plant cell