For surface cultivation of microorganisms, a sulfated polymer called agar can be extracted from ________ and added to liquid media in order to cause it to solidify.
A. fungi
B. algae
C. animal fat
D. bacteria
Answer: B
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To act as an effective coolant in a car's radiator, a substance has to have the capacity to absorb a great deal of heat. You have a reference book with tables listing the physical properties of many liquids. In choosing a coolant for your car, which table would you check first?
A) pH B) density at room temperature C) heat of vaporization D) specific heat
The chemical reactions in cells are called ____
a. substrate b. coenzymes c. receptor sites d. metabolism e. active site
In a polygynous mating system:
a. multiple females tend to mate with the same male. b. neither males nor females provide parental care beyond gestation and lactation. c. many females are unable to secure a mate. d. variance in female reproductive success is greater than variance in male reproductive success. e. parental care is predominantly by the father.
Which group in the peacock butterfly experiment had the highest survival rates?
A. Those with more nocturnal habits B. Those without spots and without hissing/clicking sounds C. Those without spots but with hissing/clicking sounds D. Those with spots and hissing/clicking sounds E. Those with the same flower habitat as the birds