Ribonucleic acid (RNA)
from class: Biology for Non-STEM Majors Definition RNA (ribonucleic acid) is a molecule essential for coding, decoding, regulation, and expression of genes. It plays a critical role in the synthesis of proteins and various cellular processes.
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Predict what's on your test 5 Must Know Facts For Your Next Test RNA consists of a long chain of nucleotides, each containing a ribose sugar, phosphate group, and nitrogenous base. There are three main types of RNA: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). Unlike DNA, RNA is typically single-stranded and contains the base uracil instead of thymine. mRNA carries the genetic code from DNA to the ribosome where proteins are synthesized. tRNA transports specific amino acids to the ribosome during protein synthesis. Review Questions What are the three main types of RNA and their primary functions? How does RNA differ from DNA in terms of structure and bases? What role does mRNA play in protein synthesis? "Ribonucleic acid (RNA)" also found in:
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