Which of the following organisms is responsible for

the disease called sudden oak disease?
a. Balantidium coli
b. Phytophthora ramorum
c. Macrocystis
d. Yersinia pestis
e. none of these


Answer: b

Biology & Microbiology

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The hollow crater formed during gastrulation is known as  

A.  acrosome B.  archenteron C.  morula D.  cleavage furrow E.  trophoblast

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Plants use ________ and ________ wavelengths of light and reflect the ________ wavelength.

A. green, blue, red B. white, green, blue C. red, blue, green D. white, green, red E. green, red, blue

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__________ shifts the range of variation in traits in one direction.

Fill in the blank(s) with the appropriate word(s).

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To cross-fertilize flowers A and B, one would first remove flower A's immature ________ and later transfer pollen from flower B to flower A's ________

A) carpe; ovule B) anthers; stamen C) stamens; stigma D) stigma; style

Biology & Microbiology