The penetration of a virus into a host cell is facilitated by sugars on the viral surface interacting with specific receptors on the host cell membrane, allowing the virus to attach and enter the cell.
The bacterial phase of inactive growth, where bacteria prepare for division, is called the lag phase.
During this phase, bacteria are not actively multiplying but are instead adjusting to their new environment, synthesizing necessary enzymes and molecules, and potentially repairing any damage.
Most ciliates exchange genetic material through a process called conjugation.
This process involves the temporary union of two ciliates, during which they exchange genetic material, specifically from their micronuclei. This exchange is a form of sexual reproduction that leads to genetic recombination and diversification within the population.