The most prominent lipids in animal cell membranes are
A) phospholipids.
B) glycolipids.
C) cholesterol.
D) phytosterol.
E) cerebrosides.
Answer: A
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Use the following study to answer the following question(s): A researcher applies varying amounts of fertilizer (0, 2, 4, 8, 10 units) to 50 potted tomato plants. All other variables that may affect the outcome (watering, temperature, sunlight, plant size, etc.) are kept the same from pot to pot. At the end of the growing season, the tomatoes grown on each plant are weighed to determine which fertilizer level produced the largest tomato yield.Is the study presented above a controlled experiment?
A. Yes, because many pots were used. B. No, because the experiment was done only once. C. No, because several different amounts of fertilizers were used, not just one amount. D. Yes, because only the amount of fertilizer was changed, everything else was kept the same.
A person with type A positive blood has which antibodies?
a. A only b. B only c. A and B d. neither A or B e. Rh
Describe four comparative differences between New World and Old World monkeys. What will be an ideal response?
A toad that eats a bee and is stung tends to avoid eating bees afterward. This is an example of ________ learning
Fill in the blank(s) with correct word