Answer:
Helper T cells are arguably the most important cells in adaptive immunity, as they are required for almost all adaptive immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells.
Explanation:
Helper T cells become activated when they are presented with peptide antigens by MHC class II molecules, which are expressed on the surface of antigen-presenting cells (APCs). Once activated, they divide rapidly and secrete cytokines that regulate or assist the immune response.
The food sources available for a particular species in an ecosystem. Also space where they can live and reproduce, but food is the main factor.
Answer:
I'm not sure bro but are you happy? with no but November
Answer: the plant would die
Explanation: since the plant needs sunlight to make photosynthesis, without sunlight they would most probably die
Answer:
A)legumes
Explanation:
A legume is a group of plants which belongs to the family Fabaceae. These plants can be characterised by having root nodules in their roots especially which are the house of the nitrogen-fixing bacteria.
The legumes are known for their seeds and fruits which are very rich in protein and low carbohydrates so they are commercially grown by the farmers.
In the give question, since the given bean plants belongs to the family Fabaceae which are very rich in protein therefore legumes is the correct answer.
