Answer:
C
Explanation:
I have dont this science quiz
<span>b. assist a cell in dividing and transmitting its dna to new cells. </span>
Immunological memory accounts for <span>the ancient observation that someone who had recovered from the plague could safely care for those newly diseased. </span> <span>Immunological memory is a property of the immune system to recognize the pathogen (antigen) that the body has previously encountered. As a result, immune system corresponds by inducing immune response via memory T and B cells.</span>
Nitrogen is so vital because it is a major component of chlorophyll
And it also is a major component of amino acids, the building blocks of proteins. Without proteins, plants wither and die.
