C. A capsid is a protein coat that protects the genetic material of the virus
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The answer to this question is b carpel that's the answer
The one that helps identify leaves as monocot or dicot are the characteristic of their veins. In a monocot, leaves have parallel veins or parallel venation; whereas, dicot leaves have a network of veins or reticulate venation. Hope this is the answer that you are looking for. Have a great day!