Phylogenetic trees are usually constructed using either a distance-based ________ approach, or a characteristic ________ approach.
Fill in the blank(s) with the appropriate word(s).
phenetic, cladistic
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Which of the following statements about mRNAs and microRNAs is false?
A. Both are transcribed by RNA Pol II. B. Both are capped and polyadenylated. C. Both undergo nucleolytic cleavage in the nucleus and the cytoplasm. D. Both are processed via interaction with snoRNPs.
What is the main form of nitrogenous waste that is excreted from Malpighian tubules?
a. urea b. uric acid c. ammonia d. nitrate
Of the major tissue systems associated with land plants, the ________ tissue system covers the outer surface of the primary plant
A) ground B) parenchyma C) dermal D) meristem E) vascular
Using a microscope, you observe an amoeba moving toward a food source. This is an example of
A) reproduction. B) cellular structure. C) metabolism. D) growth. E) responsiveness.