By Shania and Amber

Vocabulary

Bacterial Reproduction How do bacteria reproduce? -Bacteria reproduce mostly asexually. That means that new cells are formed during single cell division. Some bacteria can only reproduce sexually, with a male and female bacteria.

Bacterial Reproduction The events of growth and division that are apparent from measurement of the numbers of living bacteria are the manifestation of a number of molecular events. At the level of the individual bacteria, the process of growth and replication is known as binary division. Binary division occurs in stages. First, the parent bacterium grows and becomes larger. Next, the genetic material inside the bacterium uncoils from the normal helical configuration and replicates. The two copies of the genetic material migrate to either end of the bacterium. Then a cross-wall known as a septum is initiated almost precisely at the middle of bacterium. The septum grows inward as a ring from the inner surface of the membrane. When the septum is complete, an inner wall has been formed, which divides the parent bacterium into two so-called daughter bacteria. This whole process represents the generation line.

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