B. Protein
C. Vitamin D
D. Biotin
Answer: The correct answer to the question is option C
VITAMIN D
Explanation: Vitamin D is one of the essential vitamins needed by the body,it is fat soluble and plays a vital role in increasing the rate the body( intestines) absorbs calcium,phosphate and magnesium.
Vitamin D is very important for everybody but plays a crucial role in the health of the elderly (older adults) especially their bone health.
Vitamin D helps in the absorption of Calcium in the body and calcium helps in the strengthening of bones of the body.
Vitamin D is very vital in the maintainance of bone strength as well as act as a form of hormone that helps in the regulation of the growth and development of other tissues in the body.
When Vitamin D is deficient in the body especially older adults,it will lead to muscle weakness, possible bone deformity,bone pain which are all as a result of the loss of bone tissues.
The cell membrane has two functions and one is a barrier keeping the constituents of the cell in and unwanted substances out and, second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
Answer:
Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections.
Answer:
When any pathogen enters our body , our immune system in response to pathogen releases antibodies. But if it fails , antibiotics are given.. Thus the resistance to antibiotic comes and so quickly
The right answer is CaF2
Calcium fluoride is an inorganic compound of formula CaF2. This ionic compound consisting of calcium and fluorine is naturally present in nature in the form of fluorine (also known as fluorite). It is the world's leading source of fluoride.
It is a solid insoluble in water, whose structure is cubic where each atom of calcium is adjacent to eight atoms of fluorine, and each atom of fluorine to four atoms of calcium.