Moths are attracted to ________ flowers that are heavily scented.
A. blue
B. white
C. pink
D. red
E. yellow
Answer: B
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Gravity-sensing mechanisms of many organisms are
based on a. spicules. b. statoliths. c. uric acid crystals. d. sclereids. e. nematocysts.
Sense mutations produce ____
a. elongated proteins b. shortened proteins c. extra termination codons d. frameshifts e. cell death
Body temperature can rise when a pathogen has infected the body. This high temperature is called a fever. How does a fever help protect the body?
A) The higher temperature promotes bacterial growth. B) The higher temperature promotes synthesis of important cellular enzymes. C) The higher temperature promotes virus replication. D) The higher temperature inhibits the reproduction of bacteria
C4 plants and CAM plants fix carbon in a larger molecule only once during photosynthetic reactions.
a. true b. false