A molecule consists of a long chain of glucose monomers linked by covalent bonds and serves as an energy source for plants and animals. Which of the following would describe this molecule?
A) monosaccharide B) polysaccharide C) oligosaccharide D) sucrose
Answer: B
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Long, saturated fatty acid tails ______________ lipid mobility and ______________ membrane fluidity
A. enhance; increase B. reduce; increase C. maintain; decrease D. enhance; maintain E. reduce; decrease
Multicellular fungi like this mushroom are composed of threadlike structures called
1.Mycelia
2.Hyphae
3.Coenocytes
4.yeasts
The person in the above figure is afflicted with
which of the following hormonal disorders? a. acromegaly b. dwarfism c. low levels of rhGH d. parathyroid radiation poisoning e. none of these
The “ruling reptiles”
a. dominated the land for 125 million years. b. coexisted with ichthyosaurs. c. coexisted with turtles and tuataras. d. lost many lineages in a mass extinction that ended the Jurassic. e. did all of these.