Very powerful microscopes were needed before cells could be observed in detail
<span>Carbohydrate is the polymer that acts as an energy storage molecule. It is the molecule that is used inside the bodies of living organisms in order to have energy to do processes in order to live.</span>
In the cell, the function of the smooth endoplasmic reticulum is that it produce lipids, which are fats and oils. They also transport materials..
<h2>Answer:</h2>
Bacteria provide genetic engineers with <u>_vector_ </u>and <u>_host_.</u>
<h3>Explanation:</h3>
Vector are vehicles or carriers which are used to carry the gene of interest. They are usually plasmids which are bacterial circular genome which can replicate independently.
Hence bacterial plasmids are used for the insertion of gene of interest and its transfer to the host cell.
As plasmids is taken from the bacteria, so mostly bacteria is used as the host for the gene of interest.
