Cell biology exam review

A polymer of ribonucleotides

An RNA molecule that serves as a template for protein synthesis

The RNA component of ribosomes

An RNA molecule that functions as an adaptor between amino acids and mRNA during protein synthesis

Which of the following statements is true concerning messenger (mRNA) RNA:

• Prokaryotic mRNA molecules are usually monocistronic

• Eukaryotic mRNA molecules are usually monocistronic

• Eukaryotic mRNA molecules are usually polycistronic

• Prokaryotic mRNA molecules are polycistronicand are modified on the 3' and 5' ends similar to eukaryotic mRNA molecules

phosphorylated nucleosides

One of the types of bases present in nucleic acids. The purines are adenine and guanine.

One of the types of bases present in nucleic acids. The pyrimidines are cytosine, thymine, and uracil.

A bond between the 5'-phosphate of one nucleotide and the 3'-hydroxyl of another

polypeptides with a unique amino acid sequence

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NGSS.HS-LS1-1