Which one of the following types of junctions in an epithelium allows the tissue to stretch and bend, as in the epithelium of the skin?
A) tight junction
B) adhesion junction
C) glandular junction
D) stratified junction
E) gap junction
B
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One study has shown that when more lions join a hunting group, _____
a. the success rate falls b. the success rate remains proportional c. the success rate increases d. the success rate is the same but there is more food on average e. more eventually drop out to be in isolation
The ant Myrmecia pilosula is found in Australia and is named bulldog because of its aggressive behavior. It is particularly interesting because it carries all its genetic information in a single pair of chromosomes. In other words, 2n = 2
(Males are haploid and have just one chromosome.) Which of the following figures would most likely represent a correct configuration of chromosomes in a metaphase I cell of a female? A) A B) B C) C D) D E) E
Bacteria that benefit from living in or on us while we are unaffected by the relationship are termed:
A) probiotic. B) pathogenic. C) commensal. D) mutualistic.
James has been having trouble digesting lean steaks and other protein-rich foods, and these foods seem to stay in his stomach longer than usual. James is likely lacking the enzyme ________.
A. glucagon B. pepsin C. amylase D. bile E. lipase