酶联免疫吸附分析(enzyme—linked immunosorbent assay,ELISA)
酶联免疫吸附分析(enzyme—linked immunosorbent assay,ELISA)
酶联免疫吸附分析(enzyme—linked immunosorbent assay,ELISA)
第2题
According to Paragraph 5, electrons are released
A.when bags of enzyme are embedded in the new fuel cell.
B.when glucose from a sugary liquid goes through the enzyme.
C.when the enzyme oxidizes the glucose from a sugary liquid that goes through a pocket.
D.when the enzyme oxidizes the sugary liquid that goes through a pocket.
第3题
Which of the following tells us how caffeine affects sleep?
A.Caffeine blocks production of the enzyme that stops melatonin production.
B.Caffeine interrupts the flow of the hormone that prevents people from sleeping.
C.Caffeine halves the body's levels of sleep hormone.
D.Caffeine stays in the body for many hours.
第4题
Which of the followingtells us how caffeine affects sleep?
A.It blocks production of the enzyme that stops melatonin production.
B.It interrupts the flow of the hormone that prevents people from sleeping.
C.It halves the body's levels of sleep hormone.
D.It stays in the body for many hours.
第6题
A.C75 made synthetically in the laboratory works effectively on human body
B.fatty acid sythase is involved in storing excess food intake as fat
C.C75 inhibits the activity of an enzyme called fatty acid sythase
D.it increases a hormone called neuropeptide Y in the appetite-control centers of the brain