Exam 4. Nucleic Acids Flashcards
Nucleic acids and vitamins
1
Q
Nucleases
A
hydrolyze DNA and RNA to nucleotides
2
Q
Nucleosidases and phosphatases
A
At the brush border, they split nucleotides into phosphate ions, ribose or deoxyribose, sugar, and nitrogenous gasas
3
Q
Vitamins absorption
A
They are absorbed unchanged
4
Q
Fat-soluble vitamins
A
A, D, E, K
If these are ingested without fat they won’t be absorbed
5
Q
Water-soluble vitamins
A
B complex and C absorbed by diffusion
6
Q
B12
A
Bound to intrinsic factor from the stomach
7
Q
Minerals
A
Absorbed all along small intestine
