Answer:
DNA
Explanation:
Experiments such as the one by Frederick Griffith in 1928 showed that DNA is the hereditary molecule. How showed that virulent bacterial species could transfer DNA to avirulent species and make them virulent too. This means that DNA determines the characteristic of the individual and can be passed down or across generations.
Answer: Option A.
Physical method of euthanasia may be the most humane method for relieving pain and sufferings for some instances.
Explanation:
Euthanasia is a physician assisted method with the deliberate intension to end ones life which might be due to some difficulties a person is passing through to relieve persistent pain. A Doctor is allow under law to do euthanasia for a patients if the patients family and friends agree to it.
Physical method of euthanasia includes gunshot, electrocution,freezing, microwave irradiation,cervical dislocation, decapitation,decompression, use of captive volt , pithing and so on.
True, most drugs have side effects which are usually undesirable to the user.
