Answer:
D) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.
Explanation:
- Gene therapy is a technique for correcting defective genes genes by the insertion, alteration or removal of genes within an individual's cells and biological tissues to treat disease.
- Although gene therapy is considered as a potential method of treating several diseases but till now a little progress has been seen in this field.
- Several controversial points include, short lived nature of gene therapy, immune response , problems arising due to viral vectors and possible multigene disorder.
- There arefew ethical considerations that are to be kept in mind while using gene therapy like deciding what is disability and what is disorder, does searching for a cure demean the lives of individual, the preliminary attempts of gene therapy is very costly etc.
The molecules that contain instructions for building proteins are <em>B.) DNA molecules</em><em />
DNA consists of molecules called nucloetides. Each nucleotide contains a phosphate group, sugar group, and nitrogen base. There are four bases: cytosine (C), thymine (T), adenine (A), and guanine (G). The order of these bases is what determines the genetic code, or DNA instructions.
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This process is known as synaptic pruning.
Synapse pruning is the process when the synapses are eliminated and it occurs usually in the early childhood. Synapses that are eliminated are the ones that organism no longer needs. Synaptic pruning process is regulated and influenced by environmental factors.
1st stage, also known as the Krebs cycle, also know as the citric acid cycle
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The statement which best describes Earth's atmosphere :
<u>It includes all living and once-living things.</u>
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These include everything from humans to trees.
