Which type of mutation substitutes one amino acid for another?
A) nonsense
B) missense
C) sense
D) antisense
B) missense
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Which domain(s) contains organisms with flagella?
a. Archaea only b. Bacteria only c. Archaea and Bacteria d. Eukarya only e. Eukarya and Archaea
A houseplant placed in a window grows toward the source of light because auxin ____
a. becomes more concentrated on the illuminated side of the plant b. becomes more concentrated in the roots of the plant c. becomes more concentrated on the shady side of the plant d. inhibits the growth of cells on the shady side, so the cells on the sunny side grow larger e. inhibits the growth of cells on the shady side, so the cells on the sunny side grow faster
How do fossils support the theory of common descent?
A) They are a record of some intermediate types of organisms that document the process of evolution. B) They can be easily and precisely dated by comparing the rock layers where they are found. C) They are found equally all over the world, so they explain all our questions about biogeography. D) They contain complete DNA genomes, so they can be compared to modern organisms.
A photosystem II complex is under normal light conditions, how often might you expect that it needs to be repaired?
a. 10 minutes b. 20 minutes c. 30 minutes d. 60 minutes