What is a proto-oncogene?
A. A gene that regulates cell division. D. A DNA repair gene.
B. A cancer gene. E. More than one of these.
C. A gene that encodes tumor-suppressing
proteins.
A
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Explain the process of RNA transcription using the terms upstream, Pribnow box, and consensus sequence
What will be an ideal response?
Microbial antagonism is the
A. prevention of immune responses by the resident microbiota. B. inhibition of T cell binding to microbes. C. suppression of the complement cascade by microbes. D. competition for nutrients, oxygen, and space between the resident microbiota and potential pathogens.
A person with O negative blood has what antigens on his or her red blood cells?
A. A only B. B only C. none D. B and Rh E. A and Rh
___________ found in areas of the body such as the mouth and intestines and that help to prevent infection by pathogens are called normal flora.
Fill in the blank(s) with the appropriate word(s).