Do you think directional, disruptive, or stabilizing selection is occurring?

Nucleic acid certain protein cell membranes certain carbohydrates

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

Approximately what portion of the foods that we eat have been genetically modified in some way? a. fewer than 10% b. about 50% c. nearly 100%