Answer:
D
Explanation:
Vitamin C is one of the vitamins that humans can't produce in their liver. They need this vitamin from the external environment in the form of food. About 75- 90mg/day is it's the normal dosage. So, option D is correct.
They are metals. Metals are the most common.
Answer: means that oxyhaemoglobin thus formed can break down at tissues to relaese haemoglobin and oxygen back
Explanation:gooooooooooooooooooooooogle
Answer:
When bacteria become resistant to overused antibiotics it means that is not longer inhibited by the antibiotic at clinically achievable levels. One way how these bacteria replicate and transfer the resistance is by engulfing cellular DNA by neighboring cells.Bacteria can take up naked DNA encoding for resistance native to similar species and incorporate it into their genome
Explanation: