Define the process of dna replication

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Reference no: EM13659431

Physiology Study Questions:

Please answer two of the questions below as a posting in the on-line discussion (conference).

Make your comments on at least one answer presented by another student.

Place your posts and replies in the folder "Learning Unit 2".

1) Define the process of DNA replication.

2) Define the process of complementary base pairing in the process of DNA synthesis.

3) What is a result of the transcription process? What is a result of the translation process?

4) There are 64 amino acids corresponding to all possible mRNA codons. Using the start codon, one stop codon, and one of the possible codons for particular amino acid, determine one possible sequence of bases in the DNA molecule to be created if a protein has the following sequence of amino acids:


Fill in: 

mRNA codons ____ ____ ____ ____ ____ ____ ____ _____ ____

DNA bases      ____ ____ ____ ____ ____ ____ ____ _____ ____

Why is more than one DNA sequence possible for this protein synthesis?

5) Complete the process of translation. Fill in the Table:

DNA      TAC        GGG       CTA        CAA        CTT        AAC        AGA       CCA        ATC

mRNA    AUG       CCC        GAU       GUU      GAA       UUG      UCU       GGU       UAG

tRNA     ____ ____ ____ ____ ____ ____ ____ _____ ____ _____ ____

Amino acid  ____ ____ ____ ____ ____ ____ ____ _____ _____ ____ ____

6) State the order of the amino acids in the polypeptide you created. The dashed lines represent the peptide bonding between the amino acids.

____ ____ ____ ____ ____ ____ ____

7) Sickle cell anemia is an inherited disease related to abnormal gene. Describe the problem caused by this abnormal gene.

8) Define introns and exons.

9) Describe the organization of a typical eucaryotic gene.

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Reference no: EM13659431

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