Which of the following statements about the botulism toxin is NOT true?
a. It is an exotoxin.
b. It is produced by the bacterium Clostridium.
c. It may be found as a contaminant in poorly prepared food.
d. Its brand name is Botox.
e. It causes muscles to contract.
E
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The type of connective tissue which stores fats and provides insulation is called
A. adipose. B. bone. C. cartilage. D. dense connective. E. blood.
Consider the following two chemical equations:A
glucose + fructose ? sucrose + H2O, ?G = +27kJ/mole (or +6.5 kcal/mole) B. glucose + fructose + ATP ? sucrose + ADP + Pi, ?G = ?5kJ/mole (or ?1.2 kcal/mole) The free energy change difference between the chemical equations (A) and (B) above is accomplished by: a. a decrease in activation energy. b. combining two endergonic reactions. c. combining an endergonic and an exergonic reaction. d. combining two exergonic reactions. e. measuring the reaction rate.
Which of the following statements is an example of anthropomorphism?
A. My dog prefers brand x dog food. B. My dog knows when I open a can of dog food. C. My dog is sad when I leave home. D. My dog displays protective behaviors.
Why do the instructions for the growth of Neisseria gonorrhoeae recommend a CO2-enriched atmosphere?
A. It uses CO2 as a final electron acceptor in respiration. B. It is an obligate anaerobe. C. is a capnophile. D. It fixes CO2 through photosynthesis