The answer is D as an electron is given off (which is a beta particle) and an electron is so small in weight/size (1/1840) that it is not counted when the mass number is calculated, instead the neutrons and protons are used
Also the atomic number is only dependant on the number of protons as this identifies the element as no two elements can have the same number of protons but can have the same number of electrons (e..g isotopes). So nothind is affected so it has to be D
Answer:
<u>ORGANELLES</u>
Explanation:
organized or specialized structures <u>within</u> a living cell.
Answer:
False.
Explanation:
I Googled it, and it says otherwise to that statement. Here's what Google says.
A phylogenetic tree <em>may change</em> for example if new species are found, and have to be included, or if new evidence shows that the species already 'in the tree' are related differently from that shown.
Hope I helped!
<span>DNA is said to be semi-conservative because each helix that is created contains one strand from the helix from which it was copied, which actually means that half of the original DNA is conserved. </span>