What is the purpose of genetically modified crops?
a. decreasing the number of farmers
b. increasing the cost of food
c. decreasing the price of seeds
d. increasing the food supply

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Building glycogen from glucose molecules is an example of what

Which are reasons cells undergo cell division?