Living organisms obtain energy by breaking down organic molecules during respiration. Which of the following is the correct sequence for aerobic respiration in your cells?
A) glycolysis, Krebs cycle ,electron transport system
B) electron transport system, Krebs cycle, glycolysis
C) Krebs cycle, electron transport system, glycolysis
D) fermentation, electron transport system, Krebs cycle
Ans: A) glycolysis, Krebs cycle ,electron transport system
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Which of the following is incorrectly paired?
a. villi—increase surface-to-volume ratio for absorption of nutrients b. pancreas—secretes substances that neutralize stomach acid c. gallbladder—produces bile that breaks down fat globules d. colon—functions in water reabsorption
A magnesium deficiency would impact the light-independent reactions but not the light-dependent reaction of photosynthesis.
Answer the following statement true (T) or false (F)
You are studying a cell structure that is approximately 100 nm in size. Which of the following provides the greatest magnification you can use to see this structure?
A) brightfield microscope B) darkfield microscope C) transmission electron microscope D) phase-contrast microscope E) scanning electron microscope
The most robust (but perhaps impractical) way to estimate the price elasticity of demand for your product would be:
A. to ask past customers their willingness to pay. B. randomize the price over a period of time and estimate the difference in sales resulting from those changes. C. convert your products prices in real terms and estimate a demand curve. D. announce an upcoming discount, and track sales increases pre-post.