A major distinguishing feature between monocot and eudicot stems is the organization of the
A. epidermis.
B. secondary tissues.
C. vascular tissue.
D. ground tissues.
E. conducting system.
Answer: C
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According to a 2003 study performed by Michelle Khan and her coworkers, the rate of cervical cancer appears to be
the greatest when women are ____.
a. positive for HPV 16 b. negative for HPV16 but positive for HPV18 c. negative for HPV16/18 but positive for other cancer-causing HPV d. negative for all cancer-causing HPV e. positive for HIV
Yeast are true eukaryotes with a nucleus, mitochondria, and other membrane bound organelles including flagella.
Answer the following statement true (T) or false (F)
Studies of snapping shrimp on either side of the Isthmus of Panama have shown that each Caribbean shrimp species is more closely related to a Pacific shrimp species than it is to any other Caribbean shrimp species. The most likely explanation for this result is
A. snapping shrimp species in each ocean diverged prior to the formation of the Isthmus of Panama. B. creation of the Panama Canal allowed interbreeding between populations of shrimp. C. snapping shrimp in the Caribbean and the Pacific were never part of the same population. D. snapping shrimp species in each ocean diverged after the formation of the Isthmus of Panama.
What are the steps involved in B cell activation?
What will be an ideal response?