Stands of white spruce and balsam fir dominate North America’s ____
a. tropical montane forests
b. temperate grasslands
c. boreal forest
d. temperate rainforest
e. chaparral
ANSWER: c
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A characteristic only shared by angiosperms and gymnosperms is
A. vascular tissue. B. fruit production. C. protection of the embryo. D. the production of seeds.
____________________ result from immunological hypersensitivity to what should be harmless substances
Fill in the blank(s) with correct word
Thrombin acts on which protein?
a. fibrin b. plasmin c. fibrinogen d. plasminogen e. factor X
Which of the following regarding Candida albicans is incorrect?
A) Candida albicans is a budding yeast that forms psuedohyphae when it invades tissue B) Candida albicans causes thrush C) Candida albicans is transmitted primarily by respiratory aerosol D) Impaired immunity is an important factor for the disease