The upcoming discussion will update you about the difference between active immunity and passive immunity. Difference # Active Immunity: 1. Active immunity is produced actively by host's immune system as a result of the stimulation by antigen. 2. Active immunity is induced by microbial infection or by contact with antigens. 3. Active immunity lasts long. 4. Active immunity is effective [...]
The upcoming discussion will update you about the differences between Vessel Tube and Sieve Tube. Difference # Vessel Tube: 1. It is a long distance channel for water transport. 2. A vessel is made up of a large number of dead cells. 3. The wall is thick. 4. The wall possesses pits and other types of secondary thickenings. 5. The [...]
The upcoming discussion will update you about the differences between Xylem and Phloem. Difference # Xylem: 1. It conducts water or sap. 2. Xylem also provides mechanical strength. 3. Xylem is usually found deep in the plant. 4. In older plants, xylem often constitutes bulk of the plant body. 5. The conducting or tracheary cells are dead. 6. Xylem is [...]