These organelles get energy from the sun and use it to produce food for the cell

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%