Biology: Science for Life with Physiology (5th Edition)
Biology: Science for Life with Physiology (5th Edition)
5th Edition
ISBN: 9780321922212
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Chapter 9, Problem 1AAATB
Summary Introduction

To write:

Whether there is any similarity between the codons that code for same amino acids.

Introduction:

The mRNA consists of many bases. A collection of three bases that has the capability to code for a particular amino acid is called codon. Codons are present in the mRNA.

Summary Introduction

To write:

The reason that mutation affecting the nucleotide in the third position of a codon is less likely to affect the structure of protein than a mutation that affects the first position of the codon

Introduction:

The group of three bases that codes for amino acids is called a codon. The codon is composed of first, second, and third position. The amino acids join together to form a protein. The mRNA produces by the process of transcription contains codons.

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DNA gene TAC AGC TTT mRNA codon (No thymine in RNA!)       tRNA anticodon (No thymine in RNA!)       Amino acid Use the mRNA with the Genetic Code.       Use the mRNA with the Genetic Code. Answer the questions below.   Questions How many nucleotides would be needed to code for a protein that has 100 amino acids?   Using the Genetic Code in Table 6.3, write all of the possible codons that signal the start and end of a gene. Start: End: An amino acid sequence of a protein molecule includes methionine, lysine, serine and glycine. Show each different codon that could result in each of these amino acids. You will have more than one codon for all of them except methionine. Amino Acids All Possible Codons Methionine   Lysine   Serine (Look carefully. There are six possibilities)   Glycine   Question 3 illustrates the redundant nature of the genetic code. Can you think of an advantage of having several codons that all code for the…
Explain how there are going to be 6 nucleotides needed?
Here is our DNA sequence: T-A-C-A-T-G-T-T-T-A-G-G-T-C-C-A-C-C-C-G-T-G-G-G-A-C-T Write the RNA sequence below as codons (separated by hyphens). What is your amino acid sequence? The codon table with amino acid sequence is section 6.7 of your textbook. (Separate the amino acids by hyphens.) Again, be sure to note the start and stop codons. What is the name of the process of creating an amino acid sequence from RNA? What would happen if, in the middle of your gene sequence, the DNA was transcribed into the letters UAA on the mRNA strand? What effect might this have on the gene/trait? Using the DNA strand (in the box below), provide the complement which would be made through DNA replication. T-A-C-A-T-G-T-T-T-A-G-G-T-C-C-A-C-C-C-G-T-G-G-G-A-C-T Where does each of the following processes occur within the cell? Transcription: Translation: DNA Replication:
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