The cause of infectious mononucleosis is
A. varicella virus.
B. Staphylococcus aureus.
C. Epstein-Barr virus.
D. Francisella tularensis
C.
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Which of the following types of cell signaling generally occurs between cells that are distant from each other?
A. juxtacrine B. paracrine C. autocrine D. endocrine E. All of these choices are correct.
Which of the following statements comparing hemidesmosomes with desmosomes is TRUE?
A. Hemidesmosomes are anchorage junctions but desmosomes are not. B. Hemidesmosomes interact with actin filaments while desmosomes interact with intermediate filaments. C. Hemidesmosomes anchor cells to the ECM while desmosomes anchor cells to other cells. D. Hemidesmosomes are found in plant cells while desmosomes are found in animal cells. E. Both hemidesmosomes and desmosomes associate with integrin, but not cadherin molecules.
what type of exotoxin causes gastroenteritis in patients infected with E.coli?
What will be an ideal response?
Insight learning will help
A. a wolf learn imprinting. B. protect an insect from being eaten by a bird. C. teach a bird how to fly. D. you select the correct answers on this exam.