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Name: Biology Unit 5: DNA RNA DNA, RNA, and Snorks DNA TO PROTEINS Demonstrate how the genetic information in DNA molecules provides instructions for assembling protein molecules and that this is virtually the same mechanism for all life forms. In this simulation, you will examine the DNA sequence of a fictitious organism - the Snork. Snorks were discovered on the planet Dee Enae in a distant solar system. Snorks only have one chromosome with eight genes on it. Your job is to analyze the genes of its DNA and determine what traits the organism has and then sketch the organism (You can be creative here). For simplicity, the gene sequences are much smaller than -real- gene sequences found in living organisms. Each gene has two versions that result in a different trait being expressed in the snork. Genes Amino Acid Sequence Description Gene 1 - body covering val - ser - leu hairless val - ser - lys hairy tyr - pro - glu - glu - lys plump val - pro - thr - glu - lys skinny leu - leu - leu - pro 3 legged leu - leu - ser - ala 2 legged ala - val - val round head val - ala - ala square head his - ile tail his - his no tail ser - pro - val blue pigment (hair/skin) val - phe - tyr red pigment (hair/skin) asp - ile - leu - leu - pro - thre small slanted eyes asp - ile - pro - pro - pro - thre large round eyes val - asp - asp - ala circular mouth asp - asp - asp - ala rectangular mouth phe - ser - gly pointed standing-up ears phe - phe - gly rounded floppy ears arg - tyr - cys - lys long spaghetti like arms arg - arg - asp - thre short stumpy arms Gene 2 - body style Gene 3 - legs Gene 4 - head shape Gene 5 - tails Gene 6 - body pigment Gene 7 - eyes Gene 8 - mouth Gene 9 - ears Gene 10 - arms Each of the following DNA samples was taken from volunteer snorks. The DNA was then transcribed to its complimentary RNA strand. Your job is to analyze the RNA sample and determine the phenotype (how the organism looks) based on the sequence. Remember that AUG is a start codon, and it signifies the beginning of each gene. UAA is a stop codon and signifies the end of a gene. The genes are in order from gene 1 to gene 9. Use the codon chart to solve. Snicker Snork AUG GUC AGC AAA UAA AUG UAC CCC GAA GAG AAA UAA AUG CUC UUA AGU GCG UAA AUG GCU GUU GUG UAA AUG CAU CAU UAA AUG GUU UUU UAC UAA AUG UAA AUG GAU AUC UUA CUG CCC ACC UAA AUG GAC GAC GAU GCC UAA AUG UUU UCU GGG UAA AUG AGA UAU UGU UAA Snuffle Snork AUG GUA UCU AAA UAA AUG GUU CCU ACU GAA AAG UAA AUG CUU CUC CUC CCC UAA AUG GUU GCG GCU UAA AUG CAU CAC UAA AUG UAA AUG GUA UUU UAU UAA AUG GUA AUU CUU CUG CCC ACA UAA AUG GUU GAC GAC GCA UAA AUG UUC UCG GGU UAA AUG AGA UAU UGU UAA Snapple Snork AUG GUC AGC CUU UAA AUG GUU CCC ACA GAA AAA UAA AUG CUC UUA AGU GCG UAA AUG GUU GCG GCU UAA AUG CAC AUU UAA AUG UAA AUG UCU CCC GUA UAA AUG GAU AUU CCC CCC CCC ACC UAA AUG GAU GAC GAC GCA UAA AUG UUC UUU GGG UAA AUG CGC CGG GAC UAA Snoopy Snork AUG GUA UCC CUC UAA AUG UAC CCC GAG GAA AAA UAA AUG UUA UUA CUG CCC UAA AUG GCU GUU GUA UAA AUG CAU AUU UAA AUG UAA AUG UCU CCC GUA UAA AUG GAU AUU CUU CUG CCC ACA UAA AUG GUU GAU GAU GCC UAA AUG UUU UCU GGU UAA AUG CGC CGU GAC UAA Snicker Snork Snuffle Snork Snapple Snork Snoopy Snork