D) ATP
Adenosine triphosphate (ATP) is known to be a complex organic compound that functions by providing energy to drive many biological processes in living cells. The building blocks of ATP is made up of Adenine, ribose sugar and three molecules of phosphate group. Furthermore, ATP is a molecular unit currency of intracellular energy transfer and large amount of energy is released during its hydrolysis.
Explanation:
Chloroplast is the correct answer
Answer:
Clonal deletion.
Explanation:
Antigen - antibody interaction may be defined as the ability of the immune cells to interact with the harmful pathogen or nay other thing that can acts as antigen. This complex formation is important to provide immunity to the body.
Clonal deletion may be defined as the process by which the apoptosis or the removal of the T cells and B cells . This process occurs before the cells become immuno competent and cannot be the outcome of the antigen - antibody interaction.
Thus, the correct answer is option (A).
