T cell receptor, Cytotoxic T Cell, CD4, Antigen, Bacterium,
B – cell, Cell mediated response, Class II MHC, Cytokines, and Humoral Response
are the components for the activation of a helper t cell by a dendritic cell.
Answer:
C. Use of a semi permeable membrane.
Explanation:
This techniques improves water taste and odour. It also helps to remove contaminant from water and also impurities. it is effective and safe to use and the system is fully automated and it works as a filtration technique.
Answer:
Q2->They all form acids when combined with hydrogen. They are all fairly toxic. They readily combine with metals to form salts.
Q3->Because their outermost orbit is complete. In Mendeleev's original periodic table there was no place reserved for noble gas. They were discovered in end of 19th century. So Mendeleev created zero group without disturbing original periodic table.
Explanation:
The synthesis of thyroid hormones requires the iodination of tyrosine molecules and the combination of two iodinated tyrosine residues
Answer:
Calving difficulty, technically called dystocia, is a major cause of death loss in cow-calf herds.
Explanation:
did research
