I think its either B or D
Answer:
Lysosomes and cell excretion
Explanation:
If there are old worn-out parts in a cell, or too many mitochondria, or poisons, then the lysosome forms a membrane bubble around them, and the enzymes inside the lysosome break these large parts down into small molecules that can fit to get through the cell membrane
Answer:
Progenies of batch I would not be labeled by 35S; progenies of batch II would be labeled by 32P.
Explanation:
I think because humans have sweat glands in their skin that help cool the body by evaporation. Dogs don't have sweat glands but they have extensive blood vessels in their tongues that allow for heat to transfer. Panting helps move air across the tongue which carries away heat from the dog's blood.