The right answer is D.
The absorption of molecules at the level of the skin is carried out by passive diffusion for the molecules of low molecular weight (lower than 400 Da), the skin being covered with a lipoprotein film rich in water by its stratum corneum, rendering it little-permeable.
This absorption may be variable according to factors related to the skin such as stratum corneum's thickness, the state of hydration, the presence of cutaneous lesions or individual variations.
External factors may also modulate percutaneous absorption such as contact time, iontophoresis or the presence of specific adjuvants.
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Answer:
Chloroplasts are found in plant cells, they make up the green pigment ( chlorophyll ) which manufactures food for the plant during photosynthesis process.
Answer:
Osteoclasts are the multinucleate bone cell that are responsible for absorbing bone tissue during healing and growth while osteoblasts are the cell responsbile for formation of new bones.
If there will be greater amount of osteoclasts than osteoblasts than the osteoclasts will allow calcium, present in bones to get dissolve which causes deformity of bones known as Osteoporosis (demineralization of the bones).
<em>Due to this the calcium level will increase in the kidney and can cause kidney stone as well.</em>
