<h2>
(b) is Right Answer</h2>
Explanation:
(b) It inhibits the activity of human topoisomerase II.
- The broadly utilized anticancer medication Etoposide kills cells by expanding levels of topoisomerase II-intervened DNA breaks. While it is realized that the medication demonstrations by repressing the capacity of topoisomerase II to ligate separated DNA atoms,
- Topoisomerase inhibitors are specialists intended to meddle with the <em>activity of topoisomerase catalysts I and II.</em>
- It is a chemicals that control of rejoining of the phosphodiester spine of DNA strands during the ordinary cell cycle and tridimensional DNA structure.
- Etoposide is a significant chemotherapeutic specialist that is utilized to treat a wide range of human malignant growths.
- Etoposide slaughters cells by balancing out a covalent catalyst divided DNA complex (known as the cleavage complex) that is a transient middle of the road in the synergist pattern of topoisomerase II.
Answer:
working on existing variation of traits to favor those better suited to organism's environment
Answer;
The geographic events during mesozoic Era;
-formation of the Rocky Mountains begins
-Innuitian Mountains formed
-shallow seas in the interior of North America at times
Explanation;
-This Era is the second of Earth’s three major geologic eras of Phanerozoic time.
-Mesozoic Era began 252.2 million years ago, following the conclusion of the Paleozoic Era, and ended 66 million years ago, at the dawn of the Cenozoic Era.
the answer should be the biosphere