<span>It is true that a chromosome is made up of both DNA and proteins which are compacted and condensed.
>> Along with every organism on Earth, each of the things, is composed of Deoxyribonueclic acid or DNA. In this case, you can say that DNA is present in almost all of the living things on Earth.</span>
Answer:
Scientists can use embryology to determine that many organisms have common ancestors.
Explanation:
Answer:
1.
Explanation:
Atomic mass is protons+neutrons. Atomic number is just protons.