Answer:
bacteriophages are very good at injecting foregin DNA into bacteria Genetic Engineers use them to introduce DNA of interest to humans in bacteria
Explanation:
Answer :
The image will not be transferred to the back of the eye.
The control group outs the one that you don't change. The reason you don't change it is because you use it as a comparison with the other groups.
I guess the answer is B !! as it has no relevance and is not an observation !!
