The common name of tetradecanoic acid is A: lauric acid B: myristic acid C: stearic acid D: formic acid

Analog of sulfonamide is (    ). A: folic acid (FA) B: dihydrofolic acid (DHFA) C: tetrahydrofolic acid (THFA)  D: paraaminobenzoic acid (PABA)  E: glutamate

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

The important substance for the special flavor of beef is ( ) in beef. A: Benzoic acid B: pyruvate C: fatty acid D: amino acid

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

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

In food, the best ratio of saturated fatty acid, monounsaturated fatty acids, polyunsaturated fatty acid should be ( )

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

注意不要让酸接触皮肤。 A: Be careful not to get acid on your skin. B: Handle the acid with care and do not let it contact your skin. C: Exercise caution not to allow acid to contact skin.

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