Step 8: Th again in the cytoplasm Post-lab questions e tRNAs are then disconnect

Question

Step 8: Th again in the cytoplasm Post-lab questions e tRNAs are then disconnected from the mRNA. Both are now available to be used 2 Compar re your DNA and RNA models in relation to the phosphates, sugars and bases 2. Compare general appearance of DNA and RNA model. 3. What is Replication: Translation 4. If TAC is the codon in DNA, what is the complimentary code of mRNA? S. If mRNA codons are AUG, GGU, CAG, what three codons of tRNA will attach to them? 6) What is the source of free amino acids in the cytoplasm? 7. If the DNA analysis of gene shows 23% adenine, what would be the percentage of: Thymine Cytosine Guanine - 8. List by order (large to small) of size of t 9.) Predict the consequence of a mutation (AAA to TAA) in a gene in relation to product (protein) of this gene. 21

Explanation / Answer

1.

DNA is deoxyribose nucleic acid and is made up of a deoxyribose sugar, phosphate group and 4 nucleotides

namely adenine, guanine, cytosine and thymine.

RNA is ribose nucleic acid and is made up of ribose sugar, phosphate group and 4 nucleotides namely,

adenine, guanine.cytosine amd uracil.

6.

Free forms of amino acids form the pool of amino acids. These amino acids come from

the food we eat or recycled amino acids in the cell itself.

9.

AAA codes for lysine.

If AAA changes to TAA it leads to a stop codon which halts proteins ynthesis.

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