Apoptosis occurs when a. cancer cells become invasive and grow into a body tissue b. sickled red blood cells block capillaries and then are cleared by the body c. mitochondria take in oxygen and sugar in a complex cellular process d. cells that are supposed to die undergo a programmed cell death as in a tadpole's tail

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab