Which of the following is (are) correct statements regarding vitamin C?
a. Large doses of the vitamin are not as well absorbed as smaller doses.
b. Most animals can make this vitamin and it is only essential for humans and a few other species.
c. All healthy adults require between 75-90 mg/day
d. All of the above Both B and C are correct

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.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

thats not even an aswer choice