Viral genomes:
a. may consist of DNA.
b. may consist of RNA
c. are linear.
d. are circular.
e. All of the above.
E
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When choosing among competing cladograms, the preferred hypothesis is the one that is the simplest for all characters and their states. This is also known as
A. the maximum likelihood approach. B. the principle of parsimony. C. the Bayesian method. D. the molecular clock. E. the cladistic approach.
________ is a beneficial relationship similar to mutualism, in which the relationship is not obligatory.
Fill in the blank(s) with the appropriate word(s).
In receptor-mediated endocytosis, receptor molecules initially project to the outside of the cell. Where do they end up after endocytosis?
A) on the outside of vesicles B) on the inside surface of the cell membrane C) on the inside surface of the vesicle D) on the outer surface of the nucleus
Figure 27.5
Use the figure above to answer the following question.
The letter "A" in the accompanying figure represents ____.
A. sclerenchyma fibers B. parenchyma C. xylem D. epidermis E. phloem