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DNA Replication Bio

dna replication

QuestionAnswer
3 types of RNA 1-Messenger RNA (mRNA) Messenger RNA (mRNA) Consists of a sequence of nucleotides that determines the primary sequence of a polypeptide Found in the nucleus, cytoplasm, and ribosome
DNA DNA Sugar (5-carbon): deoxyribose Shape: double helix (two strands) Bases: adenine (A), thymine (T), guanine (G), cytosine (C)
RNA
3 types of RNA 2-Transfer RNA (tRNA) Transfer RNA (tRNA) Folded upon itself and carries amino acids to mRNA during protein synthesis Found in the cytoplasm and ribosome Ribosomal RNA (rRNA)
3 types of RNA 3-Ribosomal RNA (rRNA) Ribosomal RNA (rRNA) Major component of ribosomes Found in the ribosome
Protein Synthesis Step One: Transcription The process by which RNA (mRNA) is produced from a DNA template Step Two: Translation The assembly of a polypeptide in a sequence specified by the order of nucleotides in the mRNA
Transcription Step One: Enzyme unwinds the DNA Helix -DNA helicase (enzyme) breaks the hydrogen bonds between the nitrogen bases and unzips the DNA in the region that needs to be transcribed -Only one strand of DNA is transcribed (anti-sense strand), the other strand is not transcribed (sense strand)
Created by: 742276608
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