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We discussed the 3 most important features of river and riparian ecosystems in class.  (Hint: their linear form is one of them.) What are the other two?

C4 plants differ from C3 plants because C3 plants _________, while C4 plants __________.

An 8-year-old girl presents to the ER with severe pain in the lower right quadrant of her abdomen. Which of the following structures is located in this quadrant and most likely the cause of her pain? 

Refer to the figure.            How should the indicated parts of the diagram be labeled?

If DNA polymerase III introduces an incorrect nucleotide, what is the first corrective action made by the DNA repair system?

Refer to the graph.           The letter _______ labels the transition state, and the free energy change for this reaction has a _______ value.

What structural aspect of the DNA facilitates dissociation of the two DNA strands for replication?

Which statement correctly describes a difference between DNA and RNA?

Refer to the figure of a cell dividing.           By studying this figure, you are able to conclude that this is showing a cell in mitotic anaphase, and the daughter cells produced will be 2n. a cell in anaphase II of meiosis, and the daughter cells produced will be haploid. homologous chromosomes moving to the midline during mitosis, being pushed by kinetochore microtubules. .

Which injury does NOT present with mechanical symptoms (catching/clicking)?