Answer:
a.) is chemical because know the sugar and water are fused together and the chemical com-bond changed
b.) physical, because they will not mix
Explanation:
Answer: Base pairs are formed when adenine forms a hydrogen bond with thymine, or cytosine forms a hydrogen bond with guanine. The second part of a nucleotide is the phosphate, which differentiates the nucleotide molecule from a nucleoside molecule.
Explanation:
Homogeneous chromosoms pair up
Answer:
7.false 8.commensalism 9.last one
Explanation: