Answer:
An expression vector assists in expressing the gene into an mRNA and then into a protein by the process of transcription and translation respectively. In order to develop an effective expression vector, it should possess various essential organism-specific sequences so that they can articulate the desired gene.
For the process of transcription, a promoter is required, in order to understand the expression of a specific gene a selectable marker is required. While in prokaryotes, an RBS or the ribosome binding sequence like a Shine Dalgarno sequence is needed on the mRNA copy to initiate the process of translation.
Thus, it can be concluded that the researcher has missed out on the ribosome binding sequence due to which translation has not taken place.
D
Freshwater;
- It constitutes approximately 30% of Earth's freshwater.
- It is the only viable source of freshwater in some areas.
- It is available in conditions of drought.
Explanation:
Groundwater is water that is located under the surface of the earth in the rocks of the crust usually filled by the percolation of water from precipitation. During drought, when all surface waters have dried up, wells can be dug to access groundwater in aquifers. This groundwater is also important in regions where surface waters have been contaminated such as by industrial waste. However, it is important that this water is not overdrawn. The rate at which it is drawn should match the rate at which the waters are refilled by percolating water into the ground.
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Sclerenchyma..............
Answer:
A) produces offspring genetically identical to the parent
Explanation:
In a research, the independent variable is the one which causes a change in the dependent variable. In this case, the nurse visit in hoped to cause reduction of doctor visits. That means the doctor visit is dependent variable and nurse visit will be the independent variable<span>.</span>