Which of the following can be transmitted from an infected mother to her fetus across the placenta?

A) Borrelia
B) cytomegalovirus
C) Spirillum
D) anthrax
E) Yersinia


B

Biology & Microbiology

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A chemical reaction that has a positive ?G is correctly described as

A. endergonic. B. endothermic. C. enthalpic. D. spontaneous E. exothermic.

Biology & Microbiology

If electrons are gained or lost in the formation of a bond, the bond is termed

A. covalent. B. hydrogen. C. ionic. D. nonpolar.

Biology & Microbiology

Leaves that live for only a single year or growing season are classified as ________

Fill in the blank(s) with correct word

Biology & Microbiology

What represents the most basic level of chemical organization?

a. cell b. atom c. tissue d. molecule e. organism

Biology & Microbiology