This question REPLACES the Unit 7 Lesson 9 discussion. This is worth 4 points of your total weekly recap quiz. Please do your best, you have unlimited chances for DNA mastery! DNA carries the cell’s genetic information; however, it cannot leave the . Because of this, it copies part of its nucleotide sequence into a complementary copy of during the process called . During this process, the enzyme, separates the DNA strands. One strand of DNA acts as the from which nucleotides are assembled into a strand of RNA. Each three letter sequence on the mRNA is called a . The start codon is and the three stop codons are . Once the mRNA leaves the nucleus, it goes to the to prepare for protein synthesis, which is called . During this process, a molecule brings the to the ribosome. The amino acids are hooked together by bonds. The tRNA is able to match up to the mRNA by the in its anticodons. When the codon is reached, the chain is released into the . Word Bank: templatecodoncarbohydratestoptRNAenzymeAUGstartamino acidmRNAnucleuslysosomepeptidecomplimentary basescytoplasmtransponderDEF QRS,XYZhelicaselipidsABCtranslationmutationribosomerRNAproteintranscriptionUAG UGA UAA Blank 1: Blank 2: Blank 3: Blank 4: Blank 5: Blank 6: Blank 7: Blank 8: Blank 9: Blank 10: Blank 11: Blank 12: Blank 13: Blank 14: Blank 15: Blank 16: Blank 17:

Answer 1

Here's the completed passage using the words provided in your word bank:

DNA carries the cell’s genetic information; however, it cannot leave the nucleus. Because of this, it copies part of its nucleotide sequence into a complementary copy of mRNA during the process called transcription. During this process, the enzyme, helicase, separates the DNA strands. One strand of DNA acts as the template from which nucleotides are assembled into a strand of RNA. Each three-letter sequence on the mRNA is called a codon. The start codon is AUG and the three stop codons are UAG, UGA, UAA. Once the mRNA leaves the nucleus, it goes to the ribosome to prepare for protein synthesis, which is called translation. During this process, a molecule brings the amino acids to the ribosome. The amino acids are hooked together by peptide bonds. The tRNA is able to match up to the mRNA by the complimentary bases in its anticodons. When the codon is reached, the chain is released into the cytoplasm.

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