A: folic acid (FA)
B: dihydrofolic acid (DHFA)
C: tetrahydrofolic acid (THFA)
D: paraaminobenzoic acid (PABA)
E: glutamate
举一反三
- Which vegetable is rich in folic acid?
- The common name of tetradecanoic acid is A: lauric acid B: myristic acid C: stearic acid D: formic acid
- 叶酸（folic acid）是一种水溶性B族维生素
- The following metabolites are involved in both the TCA cycle and the glyoxylate cycle except: A: citric acid B: succinate acid C: fumaric acid D: malic acid
- 能促进铁剂吸收的因素有： A: 稀盐酸(dilute hydrochloric acid) B: 叶酸(folic acid) C: 维生素 C(vitamine C) D: 鞣酸(tannin) E: 四环素(tetracycline)
内容
- 0
The important substance for the special flavor of beef is ( ) in beef. A: Benzoic acid B: pyruvate C: fatty acid D: amino acid
- 1
Which of the following statements are TRUE？ A: DHA maintains normal vision and promotes brain development of infants B: Linoleic acid and arachidonic acid mainly come from vegetable oil C: Linoleic acid and arachidonic acid regulate blood lipids, participate in phospholipid formation, promote growth, development and pregnancy D: α linolenic acid is the source of EPA and DHA
- 2
According to the scientists, life came from ___________. A: combination of energy and biochemical materials B: combination of nucleic acid and amino molecules C: nucleic acid molecules D: amino acid molecules
- 3
The primary buffer system that controls the pH of the blood is the __________ buffer system. A: carbon dioxide, carbonate B: carbonate, bicarbonate C: carbonic acid, carbon dioxide D: carbonate, carbonic acid E: carbonic acid, bicarbonate
- 4
Which of the following factors reduce iron absorption in foods? A: Oxalic acid in vegetables B: Phytic acid in grains C: Tannic acid in tea and coffee D: Dietary fiber in plant based food