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