Events that occur during transcriptional regulation in eukaryotes include
A. DNA replication.
B. mRNA translation.
C. RNA processing and export from the nucleus.
D. polypeptide synthesis.
E. chromatin conversion to a closed conformation.
C. RNA processing and export from the nucleus.
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Which of the following is a type of postzygotic
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An embryo develops from the
a. blastomere. b. gastrula. c. syncytiotrophoblast. d. trophoblast. e. inner cell mass.
Provide a 1-sentence explanation of how each of the following structures can be used to propagate
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In a grassland of Kansas, 1,000 grams of grass are produced per square meter per year by all the different grass species. A theoretical upper limit to the biomass of secondary consumers that can be supported in this ecosystem is
A) 1,000 grams. B) 100 grams. C) 10 grams. D) 0.1 gram. E) 1 gram.