The answer for this one is b) Looping of DNA
Answer:
when the salt outside of the paramecium is higher that the amount of salt inside a paramecium ,then they need all of the water they can get as a result they do not need contractile vacuole to contract.
ribosomes make protein which is found in cytosol.
lipids are present in the outer layer of the cell.
Crop yeild has increased because since the crops are genetically modified this will benefit us.because we can add anything to these crops that will make us stay healthy which is why a lot of people will buy them
