Aresearcher while working in vitro (outside cell) added helicase enzyme which resulted in the untwisting of the dna helix. but this untwisting led to strain ahead of the replication fork. which enzyme can be added to correct this problem? nuclease topoisomerase telomerase

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.