Why are root tip cells better cells to study than the middle of the roots? a. cells stop growing at the root tips so you would see more cells dividing b. root tips are more colorful so you would see more cells dividing c. only the tips of the roots have a nucleus d. onion roots grow from the tip so you would see more cells dividing

answer: - b cells

explanation: -

there are many types of white blood cells present in our body. one such class of white blood cells are the lymphocytes. the b cells belong to the lymphocyte class of wbcs. the b cells perform their action against the pathogen by producing specialised proteins called as antibodies. these antibodies are produced as and when the b cells encounter pathogens in response to the antigens present on the surface of the pathogen. these antibodies bind to the antigens present on the pathogen and then, target them for destruction by other cells of the immune system.

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

The light is great source of energy