Examlex
One of two major forms of a human condition called neurofibromatosis (NF 1) is inherited as a dominant gene, although it may range from mildly to very severely expressed. If a young child is the first in her family to be diagnosed, which of the following is the best explanation?
Bones
Rigid organs that constitute part of the endoskeleton of vertebrates, providing support, protection, and aiding in movement.
Joints
Connections between bones that allow for movement and provide mechanical support.
Cell Membrane
The semipermeable membrane surrounding the cytoplasm of a cell, controlling the passage of substances in and out of the cell.
Muscle Fiber
The individual contractile cells of a muscle, composed of myofibrils and capable of producing force and movement.
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