Concept explainers
Interpretation:
The structural formula for the tetradeoxynucleotide
Concept introduction: Carbohydrates are defined as the polyhydroxy
There are five nitrogenous bases adenine, guanine, thymine, cytosine and uracil. A sugar unit attached to a base form a nucleoside unit. A nucleoside unit attached to a phosphate group together form a
In DNA the bases present are adenine
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Chemistry & Chemical Reactivity
- Write the base sequence for the mRNA that would be formed during transcription from the DNA strand with the base sequence GCCATATTG.arrow_forwardDraw the complete structure of the ribonucleotide codon UAC. For what amino acid does this sequence code?arrow_forwardExplain why the base sequence AGAC could not be a codon.arrow_forward
- Draw the Lewis diagram for the DNA fragment that is complementary to the guanine-thymine-adenine DNA fragment.arrow_forwarda Describe the three components of a nucleotide. b How does the structure of an RNA nucleotide differ from that of a DNA nucleotide?arrow_forwardThe DNA template strand segment 3TTCAAACCGTAC5 upon transcription and translation produces the amino acid sequence Lys-Phe-Gly-Met. What is the amino acid sequence produced if a frameshift mutation occurs in which the third A base in the original DNA sequence is removed?arrow_forward
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