(Molecular Biology) What is the functional difference between the major and minor grooves of DNA - and which one does protein bind to in a sequencing specific manor and how is it able to do this ALSO Name and briefly describe a specific protein(for example, SONIC HEDGEHOG (SSH)) that binds in the major groove.
As the Width of the Major Grooves are more than Minor Grooves, generally the edges of the bases are more exposed in case of major groove than in case of minor grooves. As a result of this specific DNA binding proteins that can specifically bing to the double stranded DNA such as regulatory proteins and transfcription factors, generally makes contact with the exposed edges of the bases of major grooves.
Protein Binds to Major grooves in a sequence specific manner. and they are able to do this by interacting with the edges of bases which are more exposed in case of major grooves.
Most of the transcription factors such as centromere protein B (CENP-B), octamer (Oct)-1, growth factor independence 1 (Gfi-1), and WRKY bind to the major groove of DNA.
(Molecular Biology) What is the functional difference between the major and minor grooves of DNA -...
The recognition of specific DNA sequences by proteins is thought to depend on two types of mechanisms: one that involves the formation of hydrogen bonds with specific bases, primarily in the major groove, and one involving sequence-dependent deformations of the DNA helix. By comprehensively analyzing the three-dimensional structures of protein-DNA complexes, we show that the binding of arginines to narrow minor grooves is a widely used mode for protein-DNA recognition. This readout mechanism exploits the phenomenon that narrow minor grooves...
What part(s) of a nucleotide will occupy the major & minor groove of a double-stranded DNA molecule? WHY? What parts are found in the DNA backbone? WHY? Where would a Restriction Endonuclease associate with DNA? How long is a double-stranded DNA molecule that is 2 x 105 bp? How many nucleosomes would be required to package this DNA if it were in a Eukaryote? When chromatin from any eukaryote is digested briefly with micrococcal nuclease (an endonuclease) and fractionated using...
Name: Date: Section: Biology 190: Introduction to Cdl and Molecular Biolog Reading guide # 16 Ch.-DNA Structure & Replication Read p. 257-273 from Cha dar the following question Prior to Watson and Crick's deduction of DNA structure, the parad that protein and not DNA was the molecule that was the likely genetic mate candidate at the time? on of DNA structure, the paradigm among the scientific community was Necule that was the likely genetic material. Why was protein a stronger...
4. The CRISPR-Cas9 system is an important new technique in
molecular biology. What is the natural function of this system?
Describe how you would use this system to generate a null mutation
in another organism (i.e. explain Figure 6-43). How does it work?
What is the modification of the method that allows for correction
of a mutation (e.g. the mouse crystalline gene)? And lastly, what
are the problems with the CRISPR system?
FIGURE 6-43 Single-nucleotide mutations
can be introduced into...
b) What property p it to be functional"? Explain your sr Detity (or properties) of R be replcafec Snl sh RNA c) Which of t a "functional RNAz Chthe folowing CRN mNAR (2pts) Either: i) Pick any two types what ea d) at are functional RNAs, and briefly state each one does (make clear which two you have chosen), or i) Name the three types y of RNAs that participate in translation, and state what role each plays in this...
please answer all the question to get a like. Part III Dr. Hernandez sits down with Ann and her partner. The doctor is sorry to report that Ann has breast cancer; however, because it was caught early and responds to estrogen and progesterone, the prognosis is good. At this point it looks like the cancer is stage 1. However, as Ann is young, the doctor wants to perform a couple of tests. The first test is a genetic sequencing test...
and w Two-dimensional gel electrophoresis separates proteins based on a. shape; charge Ob.size; concentration c. concentration; shape O d. size, charge O e. size; shape Refer to the table. Several strains of a bacterium are sequenced to investigate the pan and core genomes. In the table, + denotes presence of the gene and denotes its absence. Gene Gene Gene Gene Gene Strain ! Strain 2 + Strain 3 + Strain 4 + + + + Strain 5 + + What...
A cell's genome is its blueprint for life. However, what is the bare minimum number of genes needed to sustain a free-living cell? This is a question that microbiologists at the J. Craig Venter Institute (JCVI) have attempted to answer ever since they sequenced the genomes of several Mycoplasma species in the 1990s. Because Mycoplasma species are parasitic bacteria, their genomes are already reduced in size and hence provide an excellent foundation for creating a "minimal cell." However, little did...
explain 1 or 2 molecular details in how epigenetics may allow
melanoma cells to outsmart BRAF inhibitors
**This is for a genetics course
Seope: This science commentary claims that epigeneties plays a role in cancer cells becoming therapy-resistant. The language used is generalized for the non-scientist and does not include any molecular details, such as methylation of a specific nucleotide in an allele or modification of a specific histone tail amino acid. Your task (individually or in a group of...
2. A dominant allele H reduces the number of body bristles that Drosophila flies have, giving rise to a “hairless” phenotype. In the homozygous condition, H is lethal. An independently assorting dominant allele S has no effect on bristle number except in the presence of H, in which case a single dose of S suppresses the hairless phenotype, thus restoring the "hairy" phenotype. However, S also is lethal in the homozygous (S/S) condition. What ratio of hairy to hairless flies...