Dont worry those are just variables. a. and b. is the same as 1 and 2 !
Answer:
Cell Division!
Explanation:
What is being witnessed is mitosis. That includes your general interphase, anaphase, telophase, metaphase, cytokinesis, etc. These are all part of cell division.
Answer:
Gap junctions
Explanation:
Gap junctions form pores that connect adjacent cells. In this way signaling molecules, ions and other substances can pass through the pore to the adjacent cell. This type of cell junctions are important in cardiac muscle responses, in brain signaling, during childbirth, etc.