<span>They are PURPLE
A bacteria can do all of the following 1. Photosynthesis 2. Recycling carbon which contributes to carbon cycle 3. Nitrogen fixation which contributes to nitrogen cycle These three indicated functions are significant because they perform specific contributions in the biosphere. Phosphorylation is a function which is part of the ATP process and has nothing to do with bacteria.</span>
Answer:
Charles Darwin and Alfred Russel Wallace
A good vector to genetically altered respiratory cells might be A VIRUS THAT HAS BEEN GENETICALLY ALTERED TO CARRY NORMAL HUMAN DNA.
Gene therapy is a medical method of treatment which uses genes to prevent or treat diseases. The method is used to correct the defects in genes which is causing a disease. In order to insert a normal gene to replace the defective one, a vector, which will carry the gene is needed. The vector that is usually used in this case is a virus, which has been doctored to carry a normal human DNA.
