4. Compare the DNA sequences of individuals with Alzheimer's disease and their family members. Two codons in the APP gene sequence are different in the two patients with Alzheimer's disease compared to individuals without the disease. Consider the first codon that's different and complete the table below. Codon in Codon in Amino Acid DNA template strand MRNA APP gene in individuals without Alzheimer's disease APP gene in individuals with Alzheimer's disease Does the change in this codon represent a silent or a missense mutation? Explain.

4. Compare the DNA sequences of individuals with Alzheimer's disease and their family members. Two codons in the APP gene sequence are different in the two patients with Alzheimer's disease compared to individuals without the disease. Consider the first codon that's different and complete the table below. Codon in Codon in Amino Acid DNA template strand MRNA APP gene in individuals without Alzheimer's disease APP gene in individuals with Alzheimer's disease Does the change in this codon represent a silent or a missense mutation? Explain.

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter18: Organizing Information About Species

Section: Chapter Questions

Problem 8SQ

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Which of the following sequences on a DNA molecule would be complementary to GCTTATAT? TAGGCGCG ATCCGCGC CGAATATA TGCCTCTC
5)Which type of nucleic acid would have the sequence "ACCGAUUG"? a)DNA b)mRNA c)Another type of nucleic acid d)More information is needed
1.) A portion of a strand of a much longer molecule has a nucleotide sequence AGC – AGG – CAG - ATC, if this strand is replicated, what will be its complimentary strand? a.)TCG – TCC – GTC - TAG b.)AGC - AGG – CAG - AUC c.)AGC – AGG – CAG - ATC b.)UCG – UCC – GUC – UAG 2.)If the environment gets cold, we often shiver to____ a.)decrease body temperature b.)keep body temperature the same as the external temperature c.)regulate blood pressure d.)increase body temperature 3.)How does a neuron transmit a message from cell to cell? A nerve impulse travel_ a.)from the end of the axon, through the cell body up to the dendrite’s terminal, then across the synapse to the axon of another neuron b.)from the dendrites of one neuron to the dendrites of another neuron passing the cell body to the synapse of the axon c.)from the end of dendrite, through the cell body, down the axon terminals, then travels across the synapse to the dendrite of another neuron d.)from the axon of one neuron to the…
3. The enzyme responsible for transcribing complementary DNA from mRNA is DNA Polymerase Reverse transcriptase RNA Polymerase Endonuclease 6. Sanger DNA sequencing relies on a method known as chain termination. Which molecule is used to terminate DNA chains to create molecules of all possible lengths covering the fragment to be sequenced? Deoxyribonucleotides Deoxyadenosine Deoxyguanosine Dideoxynucleotides
4. Use the RNA strand below and list the appropriate amino acids.AUG AGU UAC CCG GGA
1. Written below is a DNA seqeunce: G G C A A C T A T C C C G A T T A G C G C Write down the sequence for the complimentary DNA sequence 2. Written below is the DNA sequence of a gene: T A C C T A A G C G C C G G T C A T A T C A. Write down the mRNA sequence that would be transcribed from this DNA B. Write down the amino acid sequence that would be translated from the mRNA sequence 3. Written below is the DNA sequence of a gene: T A C G T G T T T A C T C C A C A T G A T A T C A. Write down the mRNA sequence that would be transcribed from this DNA B. Write down the amino acid sequence that would be translated from the mRNA sequence
1. Below is an amino acid sequence for the following strand of DNA:A G C A A T C C G T C T T G GT C G T T A G G C A G A A C CThat strand has mutated. It is nowA G C A A C C C G T C T T G GT C G T T G G G C A G A A C CUse your knowledge of mutation and protein synthesis to answer the following questions.What mutation has occurred? A. point mutation B. movement of large section of chromosome C. duplication of entire chromosome D. genetic recombination 2. Will this mutation have a real effect? Why or why not?
4. It is known that RNA is a nucleic acid responsible for the synthesis of proteins. However, there is another nucleic acid alongside RNA: DNA. What role does the latter play in relation to RNA? a) RNA is synthesized in the cell in case too large a mutation damages the DNA. b) DNA has the reproductive genetic code of all cells and passes it on to RNA. c) DNA directs the synthesis of enzymes, while RNA synthesizes proteins. d) DNA synthesizes RNA according to a blueprint that includes the guidelines necessary for the structure of proteins.
3)Which of the following statements are true? Choose all that apply a)There are multiple codons possible for nearly all amino acids b)Each stop codon also codes for an amino acid c)Each tRNA will base pair with only one codon d)The start codon also codes for an amino acid e)Each codon in mRNA codes for exactly one amino acid f)Each codon in tRNA codes for exactly one amino acid g)Each anticodon in tRNA pairs with exactly one codon h)Each tRNA carries exactly one type of amino acid
1. Below is the base sequence of protein for normal hemoglobin and the base sequence for the sickle cell hemoglobin:Normal: GGG CTT CTT TTTSickle: GGG CAT CTT TTTa. Transcribe and translate the normal and sickle cell DNA. b. Identify this as a point or frameshift mutation. Explain. c. If the base sequence read GGG CTT CTT AAA instead, would this result in sickle cell hemoglobin? Explain.
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1. Discuss the difference between intron and Exon