Crossing over occurs in prophase of meiosis i. crossing over results in?

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.