Answer:
it’s A
Explanation:
Hope dis help and may I have brainly plz I’ll appreciate it
<span>When I added a primary
antibody to a well with a sample which contained the antigen, it bind to the
antigen but could not bind with the antigen if it was not present for it would
be flashed out in the wash step.</span>
Adding secondary
antibody, it produced a color change to the antigen because the enzyme bound
secondary antibody, would bind to the primary antibody already bound to antigen
in the wells. If the antigen was not present, there would be no binding in the
wells thus the secondary antibody would have nothing to bid to and would be
flashed out in the wash step.
Darwins proposed theory is the survival of the fittest.
Answer: Has The Sequence Of GTC.
Explanation: ThAnk yOu VeRy MUch.