Answer:
Option A
Explanation:
Another name for folic acid is folacin and this is required for cells to produce a metabolite caled formate which is involved in the synthesis of nucleotides. The enzyme involved in its absorption/conversion is dihydrofolate synthetase and not folacin.
1) Are they reliable?
2) Are they relevant?
3) Are they recent?
4) Are they sound resources?
5) Are they a primary source?
6) Are they a secondary source?
Answer:
1- D,C,A,B,E- 2 - B,A,C,D- 3- C,D,B,A.
Explanation:
Coal from swamp plants that formed millions of years ago.