Answer:
The secondary immune response is the immune response when the same antigen , memory cells that was encountered before is remembered and the immune system make antibodies to counter it.
Explanation:
There is a difference between the primary immune response and secondary immune response.
In the primary immune response occur when the immune system encountered an antigen for the first time which lead to the generation of memory cells and and the B cells with the T cells produce antibodies.
While the secondary immune response occur when the same antigen that was encountered the first time is encountered the second time and it lead to the stimulation of memory cells to produce more and high quantities of antibodies to fight foreign substances.
Explanation:
When the barge enters the northern most part of the river, the southward current is 0.67 m/s. How will the barge be affected? The barge will move slower. The direction of the barge will change.
Answer:
the answer is d. Hope this helps
Answer:
1. B
2. C
(check with your teacher to make sure and explain it to you)
Answer:
Clouds lack any characteristics of life. Clouds can not breathe, eat, produce their own food, grow, or reproduce. Hope this helps :)