Which of the following is not true of small insertions and deletions?
A. They are collectively called indels.
B. They can result in the formation of fusion genes.
C. They are caused by aberrant recombination or by template slippage during replication.
D. They do not cause frameshifts in the amino acid sequence if occurring in multiples of three.
E. If only one or two bases are involved, a frameshift will occur in the amino acid sequence.
B
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Recall that Clements's view of biological communities is that of a highly predictable and interrelated structure, while Gleason's view of biological communities is that individual species operate independently
If we set up many identical sterilized ponds in the same area and allowed them to be colonized, what should we predict if we wished to test Gleason's hypothesis? A) Identical plankton communities will develop in all ponds. B) Similar plankton communities will develop in all ponds. C) Different plankton communities will develop in all ponds. D) Limited plankton communities will develop in all ponds. E) Initially the number of species in each pond will be greater than the number normally found in similar environments.
The sodium-potassium pump transports two Na+ out of the cell for every two K+ transported in
____________________ Indicate whether the statement is true or false.
Which of the following statements about the function of flowers is TRUE?
A) They provide nutrients to the embryo. B) They protect seeds until they are mature. C) They attract seed dispersers. D) They aid in the dispersal of seeds. E) They attract pollinators.
A finished draft of the human genome was published in ______
(a) 1965. (b) 1984. (c) 2004. (d) 2012.