Herbivores typically prefer plants with the highest concentrations of ________, an element that is probably detected by taste and odor
Fill in the blank(s) with correct word
nitrogen
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During protein synthesis in eukaryotes, what happens during RNA splicing?
A. The product of translation, called the primary transcript, is cut and some pieces are joined back together to form the mature mRNA. B. The product of transcription, called the primary transcript, is cut and some pieces are joined back together to form the mature tRNA. C. The product of transcription, called the secondary transcript, is cut and some pieces are joined back together to form the mature mRNA. D. The product of transcription, called the primary transcript, is cut and some pieces are joined back together to form the mature mRNA. E. The product of transcription, called the primary transcript, is cut and all pieces are joined back together to form the mature mRNA.
The saltwater aquarium strain of Caulerpa taxifolia
a. thrives on sandy or rocky shores and in mud. b. outcompetes endemic species. c. is now illegal to import into the United States. d. produces a toxin that poisons invertebrates and fish that might keep it in check. e. includes all of these descriptions.
Describe three genetic mechanisms whereby proto-oncogenes can become overexpressed
What will be an ideal response?
During the Beagle journey, Darwin visited islands, allowing him to compare island species with continental species. In terms of framing his theory of evolution, why was this significant?
A. Because the island species had both similarities to their continental ancestors and unique adaptations to their island environments. B. Because the species he saw on the islands had not changed from their ancestral continental form. C. Because the island species had very low reproductive and survival rates as compared with their continental ancestors. D. Because the island species no longer shared traits with their continental ancestors.