________ are toxic proteins secreted by pathogenic bacteria, and ________ are toxic components of the outer membrane of gram-negative bacteria
A) Endotoxins; parasites
B) Endotoxins; botulinum toxins
C) Exotoxins; enterotoxins
D) Exotoxins; endotoxins
Answer: D
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The process of splitting glucose into two molecules of pyruvate without the use of oxygen.
A) Cristae B) Electron transport chain C) Microtubules D) Glycolysis
Telomere sequences:
A. act as binding sites for kinetochore proteins. B. are AT-rich sequences found at the ends of linear chromosomes. C. include short repeats that are repeated more than 1,500 times in mammals. D. are required for naturally occurring, but not artificial, chromosomes. E. also often serve as origins of replication.
Which type of epithelium is found in skin?
a. simple squamous epithelium b. stratified squamous epithelium c. cuboidal epithelium d. simple columnar epithelium e. simple pseudostratified columnar epithelium
Mast cells are typically located where?
a. epithelial and muscle tissue b. mucosal and muscle tissue c. connective and mucosal tissues d. connective and muscle tissue