The cell membrane of animal cells contains which lipid not seen in plant cells?

a. phospholipid
b. glycolipid
c. unsaturated fats
d. cholesterol
e. fatty acids


D

Biology & Microbiology

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Substances NOT usually found in normal human urine are 

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A lichen is a composite organism made up of:

a. two different fungi b. a fungus and an autotroph c. a fungus and a gymnosperm d. a fungus and an amoeba e. a fungus and a sporozoan

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In the absence of environmental sources of water, such as precipitation or condensation, how would water get into the pitcher of a carnivorous plant?

A. through the phloem B. from the fruit C. from the cuticle D. through the xylem E. from the leaves

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In nutrient-rich water, photosynthetic protists may

undergo population explosions known as __________. Fill in the blank(s) with the appropriate word(s).

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