Sheets
Explanation:
Silicon - oxygen tetrahedra in clay minerals are arranged in form of sheets. In clay minerals the silica tetrahedra is classified as a sheet silicate.
- The layers are arranged on top of one another like leaves of books.
- There are different arrangement of silicate structures in different minerals.
- In some minerals like quartz, they are interlocked forming a framework pattern.
- Examples of clay minerals are phlogopite, montmorilloinite, e.t.c
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Answer:
Gene therapy is an important application of biotechnology in which the mutated gene is isolated and then mutated gene is replaced by normal gene,the normal gene is integrated into a suitable vector and the vector is finally incorporated into the host which the diseased gene or matated gene is isolated.
Explanation:
Application of gene therapy
Gene therapy is used to treat various diseases such as severe combined immuno deficiency(SCID).
Benefits
Gene therapy helps to reat various life threatening diseases such as cancer,AIDS
Drawback
Gene therapy is very much expensive.
Risk
The main risk associated with gene therapy is that if the normal gene is targeted to the other part of the body instead of its original site then this can leads to mutation of another normal chromosome.
Answer:
Protein B has a higher affinity for ligand C than protein A
Explanation:
Binding affinity is a measure of the strength of the bonds or interactions between a single biomolecule or receptor to its ligand. A ligand is usually a small molecule that binds to a specific receptor.
The receptor is usually a large molecule that contains a specific site for the binding of ligand.
Binding affinity is usually measured by the equilibrium dissociation constant (KD). The equilibrium dissociation constant KD is a ratio of the dissociation and the association of ligand to the receptor. The value of KD is used to evaluate and compare the strengths of bimolecular interactions. The larger the KD value, the more weakly the target molecule and ligand are attracted to and bind to one another.
The higher the dissociation constant (KD), the weaker the affinity is between the interacting molecules, whereas, the smaller the KD value, the greater the binding affinity of the ligand for its target.
Protein B has a KD value of 10⁻⁹ M while Protein A has a KD of 10⁻⁶ M.
Ration of KD of protein B to protein A = 10⁻⁹ M/10⁻⁶ M = 10⁻³
Therefore, protein B has a KD value which is 1000 times smaller than the KD of protein A.
<span>John is most
likely suffering from a dissociative disorder. Dissociative disorder, disorders
in which conscious awareness becomes separated (dissociated) from previous
memories, thoughts, and feelings. Dissociative
identity disorder (DID) while rare dissociative disorder in which a person
exhibits two or more distinct and alternating personalities. Formerly called
multiple personality disorder.</span>