Which is an example of biotechnology?

Why does a cell have a cell membrane? Do plant cells and animal cells have flagella? How many layers is the base of a light microscope? Is the allergen in poison Ivy sap a water-soluble or lipid- soluble molecule. explain your reasoning? What does a normal human karyotype consist of? Why are blood tests needed? What kind of symbiotic relationships do gorillas have? Is the water lily a perfect or imperfect flower? What is the alphabetize of hibiscus? How did the evolution process first start? What kind of root plant did Rizal discover while performing some scientific experiments that was an effective medicine and capable of producing anesthetic results? Who are the beatels? A cactus or the onion leaf would have a thicker cutin? Why is it important that skull joints cannot move? What two fields of study do the principles of biomechanics come from? What is the first part of a organism's scientific name? Is an onion cell from an autotrophic or heterotrophic organism? What tissue lines body surfaces? What is saphrophytes? What is a primary function of the cell membrane?

Which is an example of biotechnology?