Concept explainers
(a)
Interpretation: The base sequence of DNA strand for the hnRNA strand
Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
(b)
Interpretation: The base sequence of DNA strand for the hnRNA strand
Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
(c)
Interpretation: The base sequence of DNA strand for the hnRNA strand
Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
(d)
Interpretation: The base sequence of DNA strand for the hnRNA strand
Concept introduction: DNA strand contains a complementary base pairing between A-T and C-G. The complementary strands are antiparallel to each other. RNA molecule contains the similar base pairing but the base thymine is replaced by uracil.
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Organic And Biological Chemistry
- Consider the following mRNA base sequence 5CUUCAG3 a. What dipeptide is coded for by this mRNA? b. What dipeptide is formed if a point mutation converts CUU to CUC? c. What dipeptide is formed if a point mutation converts CAG to AAG? d. What dipeptide is formed if a point mutation converts CUU to CUC and CAG to AAG?arrow_forwardConsider the following mRNA base sequence 5ACCCAC3 a. What dipeptide is coded for by this mRNA? b. What dipeptide is formed if a point mutation converts CAC to AAC? c. What dipeptide is formed if a point mutation converts ACC to ACU? d. What dipeptide is formed if a point mutation converts CAC to AAC and ACC to ACU?arrow_forwardFor each of the following DNA template strands, determine (1) the base sequence of the DNA informational strand and (2) the base sequence of the hnRNA synthesized using the DNA template strand. Specify base sequences in the 5-to-3 direction. a. 3 TACGGC 5 b. 3 CCATTA 5 c. 3 ACATGG 5 d. 3 ACGTAC 5arrow_forward
- What is the base sequence, specified in the 5-to-3 direction, for a segment of newly formed DNA if it was formed using the following template DNA segments? a. 3 GGCAA 5 b. 5 GTCCG 3 c. 3 ACGTA 5 d. 5 ACGTA 3arrow_forwardThe base content of a particular DNA molecule is 36% thymine. What is the percentage of each of the following bases in the molecule? a. Adenine b. Guanine c. Cytosinearrow_forwardDNA Complementarity Draw the complementary strand for the DNA shown.arrow_forward
- Write the base sequence for the mRNA that would be formed during transcription from the DNA strand with the base sequence GCCATATTG.arrow_forwardWhat type of RNA has the shortest lifetime in cells?arrow_forwardGiven the following nucleotide sequence in DNA: 5' TCGTAGGAT 3': (a) Determine the sequence of the complementary strand of DNA. Report this sequence by writing it from its 5' end to its 3' end. (b) Write the sequence (5'-3') for the strand of mRNA that would be complementary to the original strand of DNA. (c) Assuming that this sequence is part of the coding sequence for a protein and that it is properly lined up so that the first codon of this sequence begins with the 5' nucleotide of the mRNA, write the sequences for the three anti- codons that would be complementary to this strand of mRNA. (d) What sequence of amino acids is selected by this mRNA? (The complete genetic code is listed in several sites on the Internet.)arrow_forward
- Which of the following statements about the genetic code are true and which are false? Correct each false statement. a.Each codon is composed of four bases. b.Some amino acids are represented by more than one carbon. c.All codons represent an amino acid. d.Each living species is thought to have its own unique genetic code. e.The codon AUG at the beginning of a sequence is a signal for protein synthesis to begin at that codon. f.It is not known if the code contains stop signals for protein synthesis.arrow_forwardIn the replication of a DNA molecule, two daughter molecules, S and T, are formed. The following base sequence is part of the parent strand in daughter molecule S. 5TTCAGAG3 Indicate the corresponding base sequence in a. the newly formed strand in daughter molecule T. b. the newly formed strand in daughter molecule S. c. the parent strand in daughter molecule T.arrow_forwardWhich of the following processes(1) transcription phase of protein synthesis, (2) translation phase of protein synthesis, (3) replication of DNA, and (4) formation of recombinant DNAis associated with each of the events below? a. Amino acidtRNA molecules are formed. b. Anticodoncodon base pairing occurs. c. Restriction enzymes are used. d. Okazaki fragments are formed.arrow_forward
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