CMST2061 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++

CMST2061 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ Eukaroytic cell: Nucleus Chromosomal DNA, Mostly linear, compactly arranged, introns and exons Eurokaryotic cell: Mitochondria MtDNA, circular, smaller than nuclear DNA, less/no introns, has exons Eukaryotic cell: Chloroplast chDNA, circular, smaller than nuclear DNA, less/no introns, has exons What are introns? non-coding DNA What are exons Coding regions of DNA coding for amino acids to make proteins What are the two steps to direct protein synthesis transcription and translation What is transcription? the infomation contained in the DNA of a gene is copied into mRNA What is translation? the mRNA nucleotide sequence is decoded and its information is converted to the sequence of amino acids in a protein Where does translation occur in Eukaryotic cells? It occurs in the cytoplasm at the ribosomes Where does transcription occur in eukaryotic cells? this occurs in the nucleus What are the monomers of DNA nucleotides What is DNA the hereditary informaiton in all cells What does a nucleotide consist of? sugar, phosphate group, nitrogen base(single or double ring) What nitrogen containing bases are single ring Thymine, uracil, cytosine What nitrogen containing bases are double ring Adenine and guanine What nitrogen containing bases are found in DNA? Adenine, Thymine, Guanine, Cytosine What is the shape of DNA