Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 21.5, Problem 1CC
Repetitive Sequences and Transposable Elements
Concept Check: Based on their mechanism of movement, which type of TE do you think would proliferate more rapidly in a genome, DNA transposons (see Figure 21.17) or retrotransposons?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
. Early in development, most human cells turn off expression of an essential component of telomerase, the enzyme responsible for addition of telomere repeat sequences (5’-TTAGGG) to the ends of chromosomes. Thus, as our cells proliferate their telomeres get shorter and shorter, but are normally not lost over the course of a lifetime. If cells are removed from the body and grown in culture, however they ultimately enter a state of replicative senescence and stop dividing when their telomeres get too short. By contrast, most human tumor cells express active telomerase, allowing them to maintain their telomeres and grow beyond the normal limit imposed by senescence - good for them, bad for us.
Anticipating a universal cure for cancer, you set up a company to screen chemical ‘libraries’ for telomerase inhibitors. The company share price takes a dive, however, when a rival group generates a strain of telomerase-knockout mice. These mice breed happily for several generations, but…
Eukaryotic Genetic Sequence: 5'-TAC CAT GAT CCC TAT - 3'
1. What would be the newly synthesized DNA strand and explain how the strand will be replicated. Where in the cell would this occur?
2. What would be the synthesized mRNA strand, and how is it transcribed from the original DNA strand, and then converted from a pre-mRNA strand to a mature mRNA? Where in the cell does this occur?
3. What would be the anti-codons for the tRNA. What are the amino acids generated based on the RNA. How are these amino acids translated into protein and where in the cell does this happen?
Question:-
Define the transcription unit. How does it differ from the gene? Describe how you would determine the 5' and 3' ends of a transcription unit in a genome browser.
Chapter 21 Solutions
Biology
Ch. 21.1 - Prob. 1CSCh. 21.1 - Prob. 1CCCh. 21.1 - Prob. 2CCCh. 21.1 - Prob. 3CCCh. 21.2 - Prob. 1CCCh. 21.2 - Prob. 2CCCh. 21.2 - Prob. 3CCCh. 21.3 - Prob. 1EQCh. 21.3 - Prob. 2EQCh. 21.3 - Prob. 3EQ
Ch. 21.4 - Prob. 1CCCh. 21.4 - Prob. 1CSCh. 21.5 - Prob. 1CSCh. 21.5 - Repetitive Sequences and Transposable Elements...Ch. 21 - Prob. 1TYCh. 21 - DNA ligase is needed in a cloning experiment a. to...Ch. 21 - Prob. 3TYCh. 21 - Why is Taq polymerase used in PCR rather than...Ch. 21 - Lets suppose you want to clone a gene that has...Ch. 21 - In the CRISPR-Cas technology for editing genes,...Ch. 21 - Prob. 7TYCh. 21 - The enzyme that helps short segments of DNA move...Ch. 21 - Prob. 9TYCh. 21 - Which of the following was not a goal of the Human...Ch. 21 - Prob. 1CQCh. 21 - Briefly describe whether or not each of the...Ch. 21 - Prob. 3CQCh. 21 - Identify and discuss three important advances that...Ch. 21 - Prob. 2COQ
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- An adult with a history of tanning has his genome sequenced. The beginning of a protein-coding region of his DNA reads ATGGGGATATGGCAT. If the protein-coding region of a healthy adult reads ATGGGGATATGAGCAT, identify the site and type of mutation.arrow_forward. Propose a mechanism by which a type II topoisomerase could use the energy of ATP hydrolysis to scan a large DNA molecule and, thereby, to direct that the enzyme will catalyze largely “disentan- gling" reactions (decatenation and unknotting).arrow_forwardE32. In the technique of DNase I footprinting, the binding of a protein to a region of DNA protects that region from digestion by DNase I by blocking the ability of DNase I to gain access to the DNA. In the DNase I footprinting experiment shown here, a researcher began with a sample of cloned DNA 400 bp in length. This DNA contained a eukaryotic promoter for RNA polymerase II. The assembly of general transcription factors and RNA polymerase II at the core promoter is described in Chapter 12 (see Figure 12.14). For the sample loaded in lane 1, no proteins were added. For the sample loaded in lane 2, the 400-bp fragment was mixed with RNA polymerase II plus TFIID and TFIIB. 2 400 350 250 175 50 Which region of this 400-bp fragment of DNA is bound by RNA polymerase II and TFIID and TFIIB? || III ||| | ||||arrow_forward
- Q1: Why is only one strand of DNA used as a template? Q2: If a mutation occurred within the promoter or terminator region, do you think it would affect the mRNA transcribed? Why or why not? Q3: The template strand of part of a gene has the base sequence TGAGAAGACCAGGGTTGT. What is the sequence of RNA transcribed from this DNA, assuming that RNA polymerase travels from left to right on this strand?arrow_forwardDescribe the mechanisms in which DNA is used to generate protein. Reflect on the key points in the process and mention any major differences between the mechanism in prokaryotic and eukaryotic cells. Although the DNA in our genes is considered to be the heritable genetic material, other factors, including the environment are considered to play an important role in the activity and expression of those genes. Summarize the role that epigenetics & developmental epigenetics play in health & disease.arrow_forward. Identify and briefly describe three of the processes by which deami- nation of DNA-cytosine residues by AIID could lead to mutagenesis.arrow_forward
- Compare and contrast Retrotransposon & Transposon. What make them similar, what makes them different?arrow_forwardGenetics of man question: Provide a brief description of on the SNP for the gene GATA binding protein 3 (GATA3)and as well as the gene .arrow_forwardQuestion : Give an alternative form of CpG methylation, given clear handwritten explaination!arrow_forward
- Recall from the central dogma that DNA codes for mRNA, which then codes for protein. Also recall that directionality matters! DNA 3' TAC - CTA -AAT - TGC - TCG-ATT 5' mRNA 5' ???- ???- ???- ???- ???- ??? 3' protein ? ? ? ? ? (A) Indicate whether the DNA sequence provided is the sense strand or the antisense strand. ? that (B) For the DNA sequence given above, write out the mRNA sequence that results. (C) Now write the amino acid sequence that results from the mRNA sequence you wrote in part (B). Use the three-letter abbreviations for the amino acids. (D) What happens if the A that is bolded and underlined in the given DNA sequence is mutated (changed) to a C? How is the protein affected? This can be answered in a few words, but be specific! (E) Now let's pretend for a moment that the protein being affected is ATP-ADP translocase. What, if anything, would happen to the citric acid cycle? This should be answered in a few words/one sentence max.arrow_forwardINSTRUCTION: = IF BOTH STATEMENT ARE TRUE = IF FIRST STATEMENT IS TRUE WHILE SECOND STATEMENT IS FALSE = IF FIRST STATEMENT IS FALSE WHILE SECOND STATEMENT IS TRUE = IF BOTH STATEMENTS ARE FALSE STAMENT 1: RNA splicing is the step in post transcriptional processing where intervening sequences are removed STAMENT 2: 5’ to 3’ direction is the direction of growth of the peptide chain ANSWER: STAMENT 1: The enzyme that joins the gaps in newly synthesized DNA is called DNA polymerase STAMENT 2: The name of the compound formed when cytosine is bonded to ribose is cytidine ANSWER: STAMENT 1: Codon is a term that refers to the 3-nucleotide code for amino acids in mRNA STAMENT 2: Transition is a kind of mutation where a purine changes to another purine ANSWER:arrow_forward. Let’s say that you have incredible skill and can isolate the white and red patches of tissue from the Drosophila eyes shown in Figure 12-24 in order to isolate mRNA from each tissue preparation. Using your knowledge of DNA techniques from Chapter 10, design an experiment that would allow you to determine whether RNA is transcribed from the white gene in the red tissue or the whitetissue or both. If you need it, you have access to radioactive white-gene DNAarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage Learning
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY