Think about where DNA is copied. Where does DNA get the nucleotides it needs to make new strands of DNA? 50 points and brainliest

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion