Concept explainers
a.
To determine:
The possible codon for theronine.
Introduction:
DNA provides a template strand of particular
b.
To determine:
The possible codons for serine.
Introduction:
DNA provides a template strand of particular nucleotide sequence for the formation of RNA transcript. The
c.
To determine:
The possible codon for cysteine.
Introduction:
DNA provides a template strand of particular nucleotide sequence for the formation of RNA transcript. The
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- If a codon consists of four nucleotides, how many codons would be possible? Would this be workable as an amino-acid code?arrow_forwardDescribe the experiment that allowed researchers to first identify the codon for a specific amino acid.arrow_forwardWhich 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_forward
- What are the two important regions of a tRNA molecule?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_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_forward
- Once a polypeptide chain has begun growing during protein synthesis, an incoming RNA carrying the next amino acid of the sequence will bond at the _______ site of the ribosomal complex a. A b. P c. 5' d. 3'arrow_forwardEnzymes called amino acyl-tRNA synthetases: A. attaches amino acids to tRNA B. synthesizes tRNA C. destroys tRNA molecules D. synthesizes amino acidsarrow_forwardAny change in the nucleotide sequence of the DNA of a gene may result in a change in a specific........ Lipid O Carbohydrate O Protein None of themarrow_forward
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