Which of the following is notusually involved in the processing of primary mRNA transcripts?
A. addition of multiple adenosines to the 3' end
B. covalent joining of exons
C. methylation of nucleotides at the 5' end
D. insertion of intron sequences
D
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Which of the following statements is true?
A. The citric acid cycle occurs in the mitochondria matrix. B. The citric acid cycle occurs in the cytosol. C. Electron transport chain and ATP synthase are in the cytosol. D. Oxidative phosphorylation occurs in the mitochondria matrix. E. Glycolysis occurs in the mitochondria inner membrane.
A structure, such as a flower in plants, or a liver in animals, consisting of tissues organized to carry out a specific function is a(n)
A. molecule. B. cell. C. organ. D. population. E. organelle.
Study of P elements in Drosophila has shown that gene regulation can be accomplished by differential mRNA transcript processing. Explain
What will be an ideal response?
Where are cell walls found?
a. in plant and fungal cells b. in plant cells only c. in fungal cells only d. in animal cells only