Jordan's grandmother uses the juice from squeezed lemons to remove stains from his shirt. he hypothesizes that the juice is the only part of the lemon that is effective at removing the stains, because it's an acid. which two steps would jordan determine whether his hypothesis is scientifically supported?

What enzyme is most important for dna replication and why?

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.

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii