The answer would be C. Penicillin :)
The answer to your question is Memory
<span>Before answering the question, some explanation about the purpose of flow cytometry.
The cytometry analysis provides us with the presence and the abundance of </span><span>clusters of differentiation (CD), for example, the research of CD2, CD3 and CD4 in lymphocytes.
</span>These CDs will be marked (if they are present) with specific antibodies linked with different fluorochromes, and when the <span>cells exit the flow cell intersect, a laser detects these fluorochromes (representing CDs) and count them.
</span><span>The result will be displayed in a graph showing the frequency of the CDs with spots of different colours.
</span>
Answer:
Producers give off AND take in carbon dioxide
Explanation:
They give off carbon dioxide from respiration so they return carbon dioxide to the atmosphere. They also use carbon dioxide to synthesize their food.