Because of cataracts, a neighbor was deprived of visual experiences during early childhood. Last year, her vision was restored by surgery but she is having difficulty in dealing with the visual world. This is probably because:A. brain cells normally devoted to vision died off or were diverted to other uses
B. normal pruning of the visual brain cells occurred
C. brain development ends in childhood
D. visual deprivation has no effect on brain development

One of the purposes of transcription is to produce a sequence of bases that

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Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10