This question REPLACES the Unit 7 Lesson 9 discussion.

Question

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:
lysosome
enzyme
mRNA
tRNA
amino acid
AUG
protein
UAG UGA UAA
ABC
transcription
carbohydrate
helicase
start
lipids
transponder
peptide
ribosome
template
translation
cytoplasm
nucleus
complimentary bases
stop
codon
mutation
rRNA
DEF QRS,XYZ

Answer 1

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 cytoplasm to prepare for protein synthesis, which is called translation. During this process, a tRNA 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 stop codon is reached, the protein chain is released into the cytoplasm.