They are both similar in that they both copy the DNA strand. It is just that transcription is the complementary copy and replication is the exact copy. Also during both the DN â¦ A molecule unzips and a new strand of mRNA/DNA is formed.
Beyond bones, magnesium supports muscle and nerve function. It also can improve kidsâ sleep, mood, and regularity, she says. Low magnesium levels have been linked to ADHD and hyperactivity. Dose: Up to 100 mg magnesium in the morning and evening daily.
But if you don't get enough calcium, there's nothing for the vitamin D to help your bones absorb. The National Academy of Sciences has developed recommendations for how much calcium and vitamin D you need at every age: 1  Young children 1-3 years old should get 700 milligrams (mg) of calcium a day. 2  Children 4-8 years old should get 1,000 mg per day. 3  Teenagers should get 1,300 mg of calcium a day.