A bacterial toxin that is not ordinarily releases but instead is an integral part of gram-negative cell walls is called a(n)______
a. endotoxin
b. toxoid
c. exoenzyme
d. exotoxin
e. enterotoxins
a. endotoxin
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You arrive late to a biological seminar. However, just as you enter the room, you hear the speaker referring to the "amino end" and the "carboxyl end" of a macromolecule. Immediately, you know that they are talking about a:
A. carbohydrate. B. protein. C. lipid. D. DNA.
Extrachromasomal DNA is found in ____________________________
A. mitochondria B. plasmids C. nucleoid D. nucleoli E. mitochondria AND plasmids
Most traits are influenced by only one locus
Indicate whether the statement is true or false
Which of the following methods is categorized as a direct test in order to analyze a specimen?
A.) catalase test B.) Gram stain C.) phage typing D.) antimicrobic sensitivity E.) production of gas