Answer:
The correct answer is option B cells.
Explanation:
The humoral immune response is regulated by the extracellular fluids like antimicrobial peptides and proteins antibodies released by the white blood cells. B cells receive signals from the BCRs bind to antigen.
B cells are the cells that regulate humoral immunity response by producing antibodies and releases other components in the cells.
Thus, the correct answer is option - b cells.
Answer:
In reproduction, when male sperm cells fuse with female egg cells, a zygote is formed. In this zygote, half genes comes from male and half cells comes from female forming a diploid organism. Diploid means double number of chromosomes. When this zygote matures, it becomes a new organism.
Explanation : Characteristics can be inherent from parents to their childrens in the process of sexual reproduction. In meg, some characteristics comes from her father i. e. hair color while some characteristics comes from her mother i. e. appearance.
<span>This is true. That's why people should work out more to strengthen the muscles on the back because these support the spine and the spine is very fragile. If you have weak back muscles you can suffer injury more easily from things like lifting heavy stuff or moving furniture around your house. It's important to keep them strong.</span>
Answer:
Zygote is a fertilized cell.
Answer:
California law requires all children enrolled in state schools, both public and private, to have certain doctor-recommended immunizations, or receive them when they enroll.
Hope this helps :)