The softened ball of food (bolus) formed in the
mouth contains all of the following EXCEPT
a. water.
b. amylase enzyme.
c. mucins.
d. lipase.
e. undigested food.
Answer: d
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These inside-out membrane vesicles will _____
A) become acidic inside the vesicles when NADH is added B) become alkaline inside the vesicles when NADH is added C) make ATP from ADP and i if transferred to a pH 4 buffered solution after incubation in a pH 7 buffered solution D) hydrolyze ATP to pump protons out of the interior of the vesicle to the exterior E) reverse electron flow to generate NADH from NAD+ in the absence of oxygen
Research of knockout mice with no active copies of the Dvl1 gene can be used to study ____ in humans
a. schizophrenia only b. obsessive compulsive disorder only c. Huntington disease only d. prostate cancer only e. schizophrenia, obsessive compulsive disorder, and Huntington disease
Some MP3 players or iPods produce sounds over
a. 100 decibels. b. 130 decibels. c. 200 decibels. d. 250 decibels. e. 300 decibels.
Some of the structural components of Staphylococcus act as virulence factors. Which of the following components inhibits chemotaxis and phagocytosis, inhibits proliferation of mononuclear cells?
A. Capsule B. Peptidoglycan C. Protein A D. Teichoic acid E. Slime layer