BIOLOGY
5th Edition
ISBN: 9781264104680
Author: BROOKER
Publisher: MCG
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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?
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. 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.
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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?
Pls help ASAP
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
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