I have done GCSE sciences and also applied science a level so I could probably help you :)
Answer:
ok bro coming in a second
Explanation:
wait please
Answer:
Atoms of the same chemical element do not always have the same mass because, although the number of protons in the nucleus is the same for all atoms of the same element, the number of neutrons is not. Most elements as they occur naturally on earth are mixtures of several isotopes.
Explanation:
<span>It would result in a
polypeptide which has a missing amino acid. The genetic mutation that occurs in a person
with cystic fibrosis is called frameshift mutation which is caused by an
insertion or deletion of nucleotides that is not divisible by three in a sequence
of DNA.</span>
