Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 29, Problem 13P
Interpretation Introduction
Interpretation:
The length of the DNA segment in the B-form DNA needs to be determined. The fraction of a DNA turns around the core octamer comprises of 50 bp of DNA needs to be calculated. The 50 bp of DNA should be compared to the typical size of eukaryotic promoter modules and response elements needs to be explained.
Concept introduction:
In a solution, the common persistence length is 46−50 nm or 140−150 base pairs (the diameter of
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Describe the structure and location of a D-loop.
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Solid Wire Models of Cell Division
1- Get four solid wires, 2 long (1 green and 1 red) and two short (1 green and 1 red).
This will represent the chromatin in a cell. The wires of the same length are
homologous. Red wires will represent the chromatin from the female parent while
green wires represent the chromatin from the male parent. Label the chromatin as
follows:
long green- 1a
short green- 2c
long red- 1b
short red- 2d
2- Let the cell pass S phase. Replicate or duplicate each chromatin fiber. Do this by
getting another set of wire identical to the original set. Label as before.
3- Combine the replicated chromatin fiber using masking tape. The tape will also mark
the position of the centromere. For the short chromatin, place the tape exactly at the
middle while for the long chromatin, place it at a point % from the end of the wire.
4- Assume that the chromosome fibers are folded. This will now represent the
chromosomes.
OR V
Chapter 29 Solutions
Biochemistry
Ch. 29 - Prob. 1PCh. 29 - The Events in Transcription Initiation Describe...Ch. 29 - Substrate Binding by RNA Polymerase RNA polymerase...Ch. 29 - Comparison of Prokaryotic and Eukaryotic...Ch. 29 - Prob. 5PCh. 29 - Prob. 6PCh. 29 - Prob. 7PCh. 29 - Alternative Splicing Possibilities Suppose exon 17...Ch. 29 - Prob. 9PCh. 29 - Prob. 10P
Ch. 29 - Post-transcriptional Modification of Eukaryotic...Ch. 29 - Prob. 12PCh. 29 - Prob. 13PCh. 29 - The Lariat Intermediate in RNA Splicing Draw the...Ch. 29 - Prob. 15PCh. 29 - Prob. 16PCh. 29 - Prob. 17PCh. 29 - Prob. 18PCh. 29 - Figure 29.15 highlights in red the DNA phosphate...Ch. 29 - Chromatin decompaction is a preliminary step in...
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- Kree DNA has histone like proteins that wrap up in nucleosomes. The Kree have a core DNA length of 255 bp and a linker DNA of 45 bp. The Kree genome is made up of approximately 6x108 base pairs of DNA. Determine the number of nucleosomes in each nucleus.arrow_forwardGive typed full explanationarrow_forwardWhich one is the answer and why? I’ll rate.arrow_forward
- Some events that may occus during transcription 1. RNA polymerases detach 2. DNA polymerases detach 3. DNA polymerases proofread 4. RNA double helix is unzipped 5. DNA double helix is unzipped 6. DNA double helix forms again 7. Free nucleotides in the nucleus bond to exposed nucleotides of the senes strand 8. Free nucleotides in the nucleas bond to eposed nucleotides of the sense antisense strand 9. RNA ligase fuses the Okazaki fragments 10. RNA polmerase binds to the sense strand 11. DNA polymerase binds to the sense strand 12. RNA polymerase binds to the antisense strand 13. DNA polymerase binds to the antisenes strand List in sequences the events involoved in DNA transcription numbers above are ______, _______, ________, ______, and ________arrow_forwardPlease create a concept maparrow_forwardMatch the components of bacterial replication and transcription correctly. v [Choose ] Topoisomerase Il helicase loader RNA polymerase must accumulate enough for DNA replication to begin Single stranded binding protein sigma factor proteins of the RNA polymerase adds nucleotides to RNA transcript DnaA bacterial helicase DNA gyrase - needed for recognition of promoter site in transcription Beta clamp DNA polymerase Tau complex two alpha units, beta, beta prime, and omega Dnac [ Choose ) DnaB ( Choose]arrow_forward
- Arrange the levels of chromatin packing from most "open" to most condensed (chromosome, loops, nucleosomes, heterochromatin, 30-nm chromatin fiber)arrow_forwardChromosome initiated has following sequence ab*cdefg *= centromere draw the chromosome that would result from the following mutations a paracentric inversion that includes defg b peri centric inversion of bcdearrow_forwardHelparrow_forward
- Multiple Choice Question (suggested time - between 1 and 2 minutes): Which of the following is an element of a eukaryotic chromosome that plays an essential role in the replication of chromosomal ends? O A Exon O B. Intron O. Terminator O D. Promoter O E Centromere OF. Telomerearrow_forwardPlease design a map based on the word bankarrow_forwardAn article entitled “Nucleosome Positioning at the Replication Fork” states: “both the ‘old’ randomly segregated nucleosomes as well as the ‘new’ assembled histone octamers rapidly position themselves (within seconds) on the newly replicated DNA strands” [Lucchini et al. (2002)]. Given this statement, how would one compare the distribution of nucleosomes and DNA in newly replicated chromatin? How could one experimentally test the distribution of nucleosomes on newly replicated chromosomes?arrow_forward
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