Does a semipermeable membrane only allows certain materials to pass
through it?

Monitor and apply fix up stratorgies

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?

2.) insulin is needed to your cells take in sugar from your blood. after you eat a candy bar, will your insulin gene be expressed or repressed? 3.) all cells have the same dna, and they all make the same proteins. true or false? the answers are 2.) expressed3.) false