2. GENE EXPRESSION 1. The following is a short piece of the DNA sequence for a toxin: TAA GCG TAG AAC TTG. Which of the

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2 Gene Expression 1 The Following Is A Short Piece Of The Dna Sequence For A Toxin Taa Gcg Tag Aac Ttg Which Of The 1 (118.45 KiB) Viewed 31 times

2. GENE EXPRESSION 1. The following is a short piece of the DNA sequence for a toxin: TAA GCG TAG AAC TTG. Which of the following sequences represents the mRNA that will be generated from this DNA sequence? a. 5' CAA GTT CTA CGC TTA3¹ b. 5'CAA GUU CUA CGC TTA3' c. 5'AUU CGC AUC UUG AAC3' d. 5'AAC TTG AUC CGC AUU3' 2. The beginning part of the gene, where RNA polymerase binds to DNA is called a. operator b. promotor c. repressor d. operon 3. Which of the following is the outcome of transcription? a. mRNA binds to a ribosome in the cytoplasm. b. The message in mRNA is translated into a protein. c. A molecule of RNA is formed based on the sequence of nucleotides in DNA. d. Those segments of the RNA strand that do not actually code for the protein are removed. 4. Put the events in transcription in order from start to finish. Items to order: (EX. 1,2,3,4) RNA polymerases attach to the promotor region of the gene. RNA polymerase unwound the strand of DNA. Only one strand called template strand is copied. RNA polymerases move along the strand adding complementary nucleotide to the new strand. The polymerase continues transcribing until it reaches the termination sequence. The mRNA transcript released. 5. Which of the following represents the flow of information within a cell? a. RNA > protein > DNA b. DNA > protein > RNA c. DNA > RNA > protein d. DNA > protein