The most common form of infection caused by Clostridium botulinum in this country is:
A. primary septicemia.
B. infant botulism.
C. anaerobic cellulitis.
D. food poisoning.
E. wound infection.
Ans: B. infant botulism.
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If strains 1 and 2 conjugate and are plated on minimal medium, cells growing on the minimal medium will have the
genotype ____.
a. bio- met- thr- leu+ b. bio+ met+ thr+ leu+ c. bio+ met- thr- leu+ d. bio+ met+ thr- leu+ e. bio- met- thr- leu-
The folding inward of the plasma membrane of an ancestral prokaryote likely evolved into ____
a. the Golgi apparatus b. protists c. DNA d. the nucleus e. mitochondria
Ions in plasma help to
a. control blood pressure. b. fight infections. c. maintain volume and pH of extracellular fluid. d. clot blood. e. digest nutrients.
Due to a chromosome deletion, Timothy is very retarded, both physically and mentally. He also has a
severe abnormality of his voice-box so that his cry is abnormal. Give the karyotypic designation and the name of the syndrome that he most likely has. ____________________ Fill in the blank(s) with the appropriate word(s).