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Metaphase is the third stage of mitosis, following Interphase and Prophase. During interphase, the cell replicates its organelles and centrosomes and synthesis of specific proteins for mitosis occurs. Dur...

Xylem passively and unidirectionally transports water (by osmosis) from the roots to the leaves of a plant, whereas phloem uses active transport to bidirectionally transport food from the leaves to growin...

If blood sugar levels are too high insulin is released from the pancreas so glucose is moved into cells. If blood sugar levels are too low glucagon is released and stimulates conversion of glycogen to glu...

Long/deep roots, stomata in pits, rolled leaves, tiny hairs on leaves, no leaves (cacti).

Mitosis is the process in which a cell divides into two new cells. Cells contain DNA in the form of chromosomes as well as organelles such as ribosomes and mitochondria. Therefore if a cell is to divide i...