The following segment of DNA codes for a protein. The uppercase letters represent exons. The lowercase letters represent introns. The lower strand is the template strand. 1. Indicate the 3’ and 5’ ends of both strands. G C T A T A A T G G C A a a a t t g G G T C A G G C A a a t c g a C A T A G C T G A C G G g g a t g a G G T T A A C G A T A T T A C C G T t t t a a c C C A G T C C G T t t a g c t G T A T C G A C T G C C c c t a c t C C A A T T 2. Write the pre-mRNA molecule. Indicate the 3’ and 5’ ends. 3. Write the mRNA molecule. Indicate the 3’ and 5’ ends. 4. Write the tRNA anticodons corresponding to the codons in the mRNA. 5. Write the sequence of amino acids in the resulting polypeptide
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
Gene Expression: Illustrate some steps involved in RNA processing and identify the sequence of amino acids in a polypeptide chain corresponding to the codons in the mRNA.
Procedure and Questions: The following segment of DNA codes for a protein. The uppercase letters represent exons. The lowercase letters represent introns. The lower strand is the template strand.
1. Indicate the 3’ and 5’ ends of both strands.
G C T A T A A T G G C A a a a t t g G G T C A G G C A a a t c g a C A T A G C T G A C G G g g a t g a G G T T A A
C G A T A T T A C C G T t t t a a c C C A G T C C G T t t a g c t G T A T C G A C T G C C c c t a c t C C A A T T
2. Write the pre-mRNA molecule. Indicate the 3’ and 5’ ends.
3. Write the mRNA molecule. Indicate the 3’ and 5’ ends.
4. Write the tRNA anticodons corresponding to the codons in the mRNA.
5. Write the sequence of amino acids in the resulting polypeptide
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In Pre RNA what do the uppercase letters and lowercase letters refer to?
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