The Chlamydiae life cycle has two forms: the ________, which is the vegetative form, and
the ________, which is the dispersal form

a. elementary body / reticulate body
b. reticulate body / elementary body
c. hypha / conidium
d. conidium / hypha


Answer: B

Biology & Microbiology

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The independent assortment of allele pairs is due to  

A.  the independent segregation of homologous chromosome pairs during anaphase II. B.  the random combination of gametes during fertilization. C.  the independent segregation of sister chromatid pairs during anaphase I. D.  the independent segregation of non-sister chromatid pairs during anaphase II. E.  the independent segregation of homologous chromosome pairs during anaphase I.

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The most important mineral nutrients added to soils in fertilizers are  

A.  nitrogen, phosphorous, and potassium. B.  calcium and nitrogen. C.  magnesium, phosphorus, and iron. D.  sulfur. E.  calcium carbonate.

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During winter in the Northern Hemisphere, the Intertropical Convergence Zone

A) sits directly over the equator. B) is shifted into the northern latitudes. C) is shifted into the southern latitudes. D) does not exist.

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If two genes are not linked, then the expected phenotypic ratio resulting from a testcross is

A) 9:3:3:1. B) 1:2:1. C) 3:1. D) 1:1:1:1. E) 1:1.

Biology & Microbiology