Recent data indicate what regarding forests in eastern North America?
A) a steady increase in forest since the late 1800s
B) no change over the past 200 years
C) no change in the past 50 years
D) a decline in forested area in the past 50 years
D
Biology & Microbiology
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DNA synthesis requires a(n) ____ primer
Fill in the blank(s) with the appropriate word(s).
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The complement pathway that is activated by binding of C3b to cell surfaces is the
A. classical pathway. B. alternate pathway. C. C3 pathway. D. mucociliary pathway.
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Lignified, tube-like structures that branch throughout the body of some plants, conducting water and
solutes, are called ____.
a. vascular tissues b. apical meristems c. root systems d. rhizomes e. shoot systems
Biology & Microbiology
The major constituent of the ECM/basement membrane is _______
a. collagen b. keratin c. Vit B6 d. protein
Biology & Microbiology