Photosynthesis only occurs in 3 regions of a leaf. Name those 3 regions/types of cells.

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

When one dna molecule is copied to make two dna molecules, the new dna contains a) 25% of the parent dna. b) 50% of the parent dna. c) 75% of the parent dna. d) 100% of the parent dna. e) none of the parent dna.