Answer:
mRNA that encodes multiple different polypeptide products
Explanation:
Polycistronic mRNA is a single molecule of mRNA that contains many genes, each one with its own start codon AUG, and therefore can be translated into many different polypeptides.
The polypeptide products usually have a related function, they can be either different subunits of a particular protein, or participate in a metabolic process.
Polycistronic mRNA is typically found in prokaryotes.
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The anwser of d I’m sure of it
Answer:
<em>The correct option is B) DNA fragments are negatively charged.</em>
Explanation:
The backbone of the DNA is made up of sugar and phosphates. The phosphates present in the backbone of the DNA are the main reason for the DNA to be negatively charged. The negative charge of the DNA allows different DNA fragments to separate by gel electrophoresis depending on their charge/mass ratio. The smaller DNA fragments will move faster towards the positive end of the gel as compared to the larger fragments and hence they will separate.
