Which of the following factors does NOT stimulate
the stomach to pass on its contents to the small
intestine?
a. stress
b. stimulation of mechanoreceptors in the stomach
wall following a large meal
c. reduced fat or acid content of chyme in the
duodenum
d. elation and relaxation
e. all of these
Answer: a
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____ refers to the phase from full maturity
until the eventual death of plant parts or the whole plant.
a. Dormancy b. Photoperiodism c. Abscission d. Senescence e. None of these
In Fredrick Griffith's classic experiments,
A. mice injected with strain R cells died of pneumonia. B. mice injected with strain S cells died of pneumonia. C. mice injected with live strain R cells and heat-killed strain S cells died of pneumonia. D. mice injected with strain S cells, or live strain R cells and heat-killed strain S cells died of pneumonia. E. mice injected with strain R cells, or live strain R cells and heat-killed strain S cells died of pneumonia.
Which two molecules are used to make cell membranes?
a) carbohydrates and glycogen b) polysaccharides and nucleic acids c) phospholipids and starch d) phospholipids and proteins e) nucleic acids and lipids
Explain how and why immersion oil increases resolution but not magnification when using the 100X objective.
What will be an ideal response?