When gene duplication occurs to its ultimate extent by doubling all genes in a genome, what has occurred?
A) pseudogene creation
B) creation of a gene cluster
C) creation of a polyploid
D) creation of a diploid
C
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Climate has been proposed to play a role in the latitudinal diversity gradient. Specifically, some have hypothesized that
A. the warm climate of the tropics promotes high speciation rates. B. the warm climate of the tropics promotes niche diversification. C. relatively few species are able to adapt to the harsher, more variable climates of the high latitudes. D. the harsh, more variable climates of the high latitudes reduce speciation rates. E. none of these
Seasonally flooded, forested wetlands along river systems are referred to as bottomlands or ________ woodlands
Fill in the blank(s) with correct word
Which organelle is responsible for removal of other damaged organelles and cellular debris?
A) ribosomes B) smooth endoplasmic reticulum C) lysosomes D) centrioles E) mitochondria
You should eat a variety of vegetables because
A. vegetables are an excellent source of protein. B. different vegetables have different vitamins and minerals. C. plants contain toxins and eating only one could be harmful. D. None of the above is correct.