The enzyme found in stem cells and cancer cells that allows these cells to never enter replicative senescence is:

The mitochondrion functions lipid storage protein synthesis photosynthesis dna replication atp synthesis

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back