A parasite is also a(n):
A. nitrogen fixer
B. autotroph
C. heterotroph
D. methanogen
E. mutualist
C. heterotroph
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What is the function of sex pili in prokaryotes?
a. biofilm formation b. transfer of DNA c. protein polymerization d. energy production e. lipid synthesis
An examination of the arrangement of bones in the hand is an example of a(n) ____
a. ecological study b. taxonomic study c. anatomical study d. physiological study e. homeostatic study
Which feature is not an adaptation for fight?
a. Wings are covered in feathers b. Denser bone mass c. Forelimbs evolved into wings d. Standing upright e. Enlarged sternum for flight muscle attachment
Which statement regarding exotoxins and endotoxins is true?
A. Endotoxins and exotoxins are highly immunogenic, allowing for the development of protective antibodies and vaccines. B. Endotoxin has targeted activity, whereas exotoxins have systemic effects when released. C. Endotoxin is released from the cell wall of dead bacteria, whereas exotoxin is released from live bacteria. D. Endotoxins and exotoxins bind to specific receptors on a bacterial cell, leading to the pathological events associated with the toxins.