The enzyme transcriptase would be used to accomplish which of the following?
A. DNA -> DNA
B. DNA -> RNA
C. RNA -> RNA
D. RNA -> protein
B. DNA -> RNA
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You observe a chimpanzee use a stick to dig termites out from a nest. How could you determine if this digging behavior is learned or innate?
A. Take the stick away and see if the chimp picks up another one. B. Show the chimp termite mounds of different sizes and see which one he/she chooses for digging. C. Provide the chimp with lots of different foods and see if he/she still digs for termites. D. Raise chimps in isolation from other chimps and see if the chimps still exhibit the behavior. E. Raise chimps in groups and see if the chimps still exhibit the behavior.
Organisms that live in and around hydrothermal vents at the bottom of the ocean are:
A) acidophilic, psychrophilic, and halophilic. B) halophilic, alkaliphilic, and psychrophilic. C) halophilic, psychrophilic, and barophilic. D) halophilic, thermophilic, and barophilic.
Ergot is a fungus that often grows on
a. cow dung. b. fruits. c. grains. d. water
Which of the following is eukaryotic, usually acts as a producer in its ecosystem, and spins via its flagella?
A) Dinoflagellate B) Sporozoan C) Cyanobacterium D) Apicomplexan E) Slime mold