During the replication process, which enzyme(s) make(s) a nick in the double-stranded DNA so that each strand separates? O DNA primase & helicase
O DNA gyrase & topolsomerase
O DNA polymerase
O DNA ligase

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Identify the missing parts of the carbon cycle

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13