Tuesday, 5 September 2017

DNA and Protein Synthesis

Answer the following questions, in a total of 500 to 700 words.

- Describe the structure of DNA and the steps of protein synthesis.

- Describe the relationships between the following terms:

- DNA

- Chromatin material

- Gene

- Chromosome

- Use the following gene in protein synthesis:

TAGGACCATTTTAGCCCC

- Show the mRNA.

- Show the tRNA.

- Name the amino acids that will be placed in the polypeptide chain. (Use the codon table in Ch. 17 of Campbell Biology.)

- A gene will direct the making of polypeptide chains, and polypeptide chains form proteins. All enzymes are proteins. Therefore, how would you explain carrying a gene for a trait that does not show up in the offspring?

- In order for DNA to pass genetic information to the next generation, DNA must replicate successfully. Mistakes in replication could result in major problems in heredity.

- Explain how DNA replicates.

- Describe the formation of the leading strand and lagging strand and include the enzymes involved.

Why do the legs replicate differently?​

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