Answer:
A.
Substance X has the highest temperature because its particles have more kinetic energy.
To be more correct, the left side is alkali metals
Answer:
A purine always forms a complementary base pair with a pyrimidine.
Explanation:
Purine bases such as Adenine pair specifically with Thymine , a pyrimidine base forming two bonds; just as Guanine pair specifically with Cytosine forming three bonds.
This specific base pairing are complimentary in nature and grants stability to the DNA.
Answer:
B. To make sure that the two new cells have slightly different genetic codes.
Explanation:
DNA replication occurs due to an enzyme. The DNA unzips, and the enzyme pieces together new parts to make each half its own full DNA strand.
