The answer to the question is D
PCR technique is your answer
<span>These protrusions will only bind to </span>certain<span> receptors on the host cell; they are essential for both host specificity and viral infectivity.</span>
Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
True, an organism may be either multi- or uni-cellular
