The picture shows 4 different types of Point Mutations, what type of Point Mutation is letter A? https://encrypted-tbn0.gstatic. com/images?q=tbn:ANd9GcT0qmSOJnauvv dLO-Ad_47qjnDNYP48k-seCQ&usqp=C AU

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.