Explanation:
Facilitated diffusion therefore allows polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, to cross the plasma membrane. Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.
Answer:
Osteoporosis
Explanation:
Osteoporosis occurs when the bones become porous i.e less dense and weak. This can led to fracture of the bones because of the brittle nature of the bones. Deficiency in vitamin D as well as deficiency in calcium can result to osteoporosis in the elderly.
In the case of Marie, she is lactose intolerance, meaning she is most likely not to be consuming milk which contains a high quantity of calcium needed for bone development. So also, it was said she prefers staying indoors than going outside, meaning she has no access to sunlight which contains vitamin D. These factors could jointly influence the appearance of osteoporosis.
Answer:
a very large mass of solid waste in a sewerage system, consisting especially of congealed fat and personal hygiene products that have been flushed down toilets.
They are caused by oil, grease and fat being poured down sinks, where they congeal and stick to sewer walls. Once this build-up has occurred, other waste that enters the sewer can often stick to the fat
The broken up fatberg pieces are then removed from the pipe by manual excavation, powerful vacuumation tanker units
Explanation:
Answer:
We can see the chromosphere and the corona but only during a solar eclipse.
I added a pic of the sun's atmosphere. Hope this helps :)
