Most biochemical macromolecules are polymers, which are chains of ________.
A. repeating monomers
B. electrolytic molecules
C. hydrogen bonds
D. hydrophobic molecules
E. repeating carbohydrates
Answer: A
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Which of the following statements about El Niño are true?
_____ Occurrence of El Niño is irregular and unpredictable. _____ The immediate effect of El Niño is a weakening in the east-to-west trade winds _____ Weakening in the trade winds results in more upwelling along the Peru-Ecuador coast. _____ El Niño results in the movement of weather systems from the western Pacific eastward. _____ El Niño events in the Pacific can influence weather as far away as Africa.
Fluorescent antibodies can be used to separate mixtures of cells into relatively pure populations with a fluorescence cytometer
Indicate whether the statement is true or false.
Animals most likely evolved from a colony similar to __________, a type of protist. Fill in the blank(s) with the appropriate word(s)
What term includes the variety of species in an area of interest?
A) biomass B) biodiversity C) the trophic pyramid D) the ecological niche