Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 16, Problem 36CTQ
Alternative forms of a protein can be beneficial or harmful to a cell. What do you think would happen if too much of an alternative protein bound to the 3' UTR of an RNA and caused it to degrade?
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Students have asked these similar questions
Hydrogen bonds are important in DNA replication and transcription. They are relatively weak chemical bonds. Why is this a desirable feature for DNA?
Describe the effect (s) of changing (mutating) the promoter on the transcription of the DNA strand/gene the promoter controls.
What happens to protein synthesis if a nonsense codon is inserted into the gene?
Explain why a point mutation does not necessarily change the original amino acid sequence. (Explain silent mutations)
Choose any pentapeptide composed of five different amino acids. List the amino acids. Present one messenger RNA codon for each amino acids and the sequence of nucleotides on the DNA that originally coded for your pentapeptide.
Indicate which of the following items are associated with transcription or translation. This could be in prokaryotes or eukaryotes, or both.
Group of answer choices: Translation OR Transcription
Sigma binds to the promoter
mRNA binds to the small ribosomal subunit
Spliceosomes remove introns and splice together exons
Nucleotides are added from the 5' to 3' end
tRNA anticodon binds to the corresponding mRNA codon
STOP codon results in termination
Several different nucleic acids are involved
in the process of getting a protein
produced from a gene. DNA contains the
"genetic code" for the protein. DNA is
double-stranded, but only one strand is
transcribed into MRNA. The MRNA then
goes into the cytoplasm where it is
translated into protein with the help of
TRNA. At each stage of the process, there is
base complementarity (A pairs with T/U
and C pairs with G) between the nucleic
acids involved to ensure the integrity of
the DNA blueprint for the protein being
produced. Therefore, some of the four
strands of nucleic acids involved will
match (except U replaces T in RNA) and
some will have base complementarity.
Indicate whether there is matching (1) or
base complementarity (2) between the
following nucleic acids.
DNA sense strand and MRNA
DNA sense strand and tRNA
DNA antisense strand and
MRNA
MRNA and TRNA
Chapter 16 Solutions
Biology 2e
Ch. 16 - Figure 16.5 In E. coli, the tip operon is on by...Ch. 16 - Figure 16.7 In females, one of the two X...Ch. 16 - Figure 16.13 An increase in phosphorylation levels...Ch. 16 - Control of gene expression in eukaryotic cells...Ch. 16 - Post-translational control refers to: regulation...Ch. 16 - How does the regulation of gene expression support...Ch. 16 - If glucose is absent, but so is lactose, the lac...Ch. 16 - Prokaryotic cells lack a nucleus. Therefore, the...Ch. 16 - The a/a operon is an inducible operon that...Ch. 16 - What are epigenetic modifications? the addition of...
Ch. 16 - Which of the following are true of epigenetic...Ch. 16 - The binding of _____ is required for transcription...Ch. 16 - What will result from the binding of a...Ch. 16 - A scientist compares the promoter regions of two...Ch. 16 - Which of the following are involved in post...Ch. 16 - Binding of an RNA binding protein will the...Ch. 16 - An unprocessed pre-mRNA has the following...Ch. 16 - IS. Alternative splicing has been estimated to...Ch. 16 - Post-translational modifications of proteins can...Ch. 16 - A scientist mutates elF-2 to eliminate its GTP...Ch. 16 - Cancer causing genes are called transformation...Ch. 16 - Targeted therapies are used in patients with a set...Ch. 16 - Name two differences between prokaryotic and...Ch. 16 - Describe how controlling gene expression will...Ch. 16 - Describe how transcription in prokaryotic cells...Ch. 16 - What is the difference between a repressible and...Ch. 16 - In cancer cells, alteration to epigenetic...Ch. 16 - A scientific study demonstrated that rat mothering...Ch. 16 - Some autoimmune diseases show a positive...Ch. 16 - A mutation within the promoter region can alter...Ch. 16 - What could happen if a cell had too much of an...Ch. 16 - A scientist identifies a potential transcription...Ch. 16 - Describe how RBPs can prevent miRNAs from...Ch. 16 - How can external stimuli alter...Ch. 16 - Protein modification can alter gene expression in...Ch. 16 - Alternative forms of a protein can be beneficial...Ch. 16 - Changes in epigenetic modifications alter the...Ch. 16 - A scientist discovers a virus encoding a Protein X...Ch. 16 - New drugs are being developed that decrease DNA...Ch. 16 - How can understanding the gene expression pattern...
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- After translation a protein needs to be folded correctly in order to function properly: C) What happens if folding doesn't work or a protein is at the end of its life (what process the protein goes through and what proteins are involved)?arrow_forwardResearchers are studying the mechanism of the antibiotic chloramphenicol. They know that it prevents the formation of peptide bonds during translation. A model of the translation process is shown in the diagram. Which of the following describes where in the model chloramphenicol acts to interfere with the production of proteins from DNA? A - during initiationB - during elongationC = during terminationD = during protein releasearrow_forwardA strand of DNA is composed of: A 30%, T 15%, G35%, and C 20%. What is the composition of the complimentary mRNA strand? A 30%, T 15%, G35%, and C A 30%, U 15%, G35%, and C 20%. A 15%, T 30%, G20%, and C 35%. A 15%, U 30%, G20%, and C 35%. A 20%, T 35%, G15%, and C 30%.arrow_forward
- Below is a diagram of charged tRNAS in the active site of the ribosome during translation of the MRNA into protein. What would be the codon in the mRNA that base pairs with the anti-codon in the t- RNA charged with Glu (Glutamic acid) ? HINT: Check the genetic code table/chart. X. Ala Arg Cys Gly Met Trp Leu Glu TRNA B TRNA A A 5'-AAC-3' 5'-CUU-3' 5'-GAA-3' 5'-AUG-3'arrow_forwardPart A) In your own words describe what happens in transcription and translation Include which types of nucleic acids are involved in each step Describe the function of each type of nucleic acid in the process of making proteins Part B) Also, explain how two nucleic acids "recognize" or "talk" to each otherarrow_forwardSickle cell disease (SCD) is a group of inherited disorders. People with SCD have sickle-shaped red blood cells. A single base substitution mutation can cause one type of SCD. This mutation causes a change in the structure of the beta polypeptide chains in haemoglobin. Explain how a single base substitution causes a change in the structure of this polypeptide. Do not include details of transcription and translation in your answer.arrow_forward
- At least three types of RNA are required for protein synthesis. Compare and contrast mRNA, rRNA, and tRNA by moving the descriptions of their structure and function to the appropriate categories. Some phrases may describe all three types of RNA. mRNA in eukaryotes, can exist outside the nucleus acts as an enzyme for peptide synthesis composed of ribonucleic acid rRNA Answer Bank moves amino acids to the site of protein synthesis tRNA contains nucleotide triplets that code for specific amino acids has a convoluted structure with a three-base sequence called an anticodon moves genetic information out of the nucleus and into the cytoplasm mRNA, rRNA, and tRNAarrow_forwardWhat would happen if any of the stages involved in the translation of DNA to protein were altered/irregular? What effect will this modification have on the protein?arrow_forwardIn your own wordsarrow_forward
- In eukaryotic cells, the length of the transcribed RNA is almost equal to the corresponding DNA strand. True or false?arrow_forwardResearchers are studying the mechanism of the antibiotic chloramphenicol. They know that it prevents the formation of peptide bonds during translation. A model of the translation process is shown in the diagram. Which of the following describes where in the model chloramphenicol acts to interfere with the production of proteins from DNA? during initiation during elongation during termination during protein releasearrow_forwardif the following DNA sequence were transcribed, which of the following describes the output of this process? 3'- TCTGGACA-5' A. This would produce a protein that looks like 5'- A G A C C U G U -3' B. This would produce a tRNA that looks like 3'- A G AC C U G U -5' C. This would produce an mRNA that looks like this: 5'- A G AC C U G U -3' D. This would produce an mRNA that looks like 3'- U C U G G A CA -5' E. This would produce another strand of DNA that 0ok like 5-AG ACCT GT-3. ..arrow_forward
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