The movement in phloem is bidirectional, whereas, in xylem cells, it is unidirectional (upward).
Cohesive. This means that the water is attracted to other particles of itself, so they stick and bead up.
A. Decreasing amount of energy needed to start a reaction.
Answer:
by having students draw germ cells and gemetes containing chromosomes with labelled alleles , instructors can assess student understanding of the structure of chromosomes .
