ps12002

ps12002 - Harvard-MIT Division of Health Sciences and...

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I. Biology (35 points total) The following questions cover some of the core concepts in biology that will be indispensable for understanding the lectures. Please be concise, but be sure to include all of the keywords in your answers. a) a) Compare the structure of DNA and RNA. Keywords: nucleotides, 5 prime, 3 prime, deoxy-ribonucleotides, ribonucleotides, anti-parallel double-helix (5 points) b) b) What’s the basic subunit that’s used to build a protein? Describe the 3 levels of protein structure? Keywords: amino acid, N terminus, C terminus, primary-, secondary, tertiary-structure (5 points) c) c) Explain the Central Dogma in biology. Keywords: DNA, RNA, protein, transcription, translation (5 points) d) d) Explain what is genetic code. Keywords: translation, tri-nucleotide codon, tRNA (5 points) e) e) Compare the basic structure of eukaryotic and prokaryotic cells. Keywords: nucleus, organelle, mitochondria, ribosome (5 points) f) f) Describe the structure of a eukaryotic gene. Keywords: promoter, exon, intron (5 points) g) g) Describe a biological problem that you think is worth looking into using
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ps12002 - Harvard-MIT Division of Health Sciences and...

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