Which of the events below does NOT happen during the G1 phase
of the cell cycle?
A. synthesizing of new proteins and organelles
B. cell division
C. cell grows

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

Explain the process that creates the heat of the sun?

What is the starting point in replication called