Which<br/>bacterium will be observed with acid fast stain () A: Escherichia coli B: Mycobacterium tuberculosis C: Streptococcus<br/>pneumoniae D: Staphylococcus <br/>aureus

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

Liu Xiang runs! A: What fast boy B: What fast C: How fast D: How a fast

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

Look!Lindaisrunning________________(fast)and________________(fast).Iamsureshewillwin.

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 ( )