Answer:
Cyclin is a family of proteins that controls the progression of a cell through the cell cycle by activating cyclin-dependent kinase (CDK) enzymes or group of enzymes required for synthesis of cell cycle.
Answer:
Because of the change in density. Oceanic-continental convergance allows for 1 plate to slide under while continental to continental can not slide under and thus they collide froming features like mountins and other stuff.
explanation:
The answer is d. mitosis.
The cells in the meristematic region of the root are
embryonic cells. Thus, these undifferentiated cells have the capacity to
undergo continuous mitotic divisions and divide into new cells. The meristematic region of the root contains meristem cells for the root growth.
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A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.
