How many cholera bacteria must be ingested in order to become ill?
a. 100,000
b. 500,000
c. 1,000,000
d. 10,000,000
e. 100,000,000
C
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When in the cell cycle would you find sister chromatids?
A. G1 B. S C. G2 D. Answers b and c are correct.
The smallest difference in DNA sequence between a gene in two individuals is a single-nucleotide polymorphism (SNP)
Indicate whether the statement is true or false
You discover a dog suffering from a strange disorder that is due to an autoimmune response against its own cells. Upon further investigation, you find that the cells of various tissues are loosely arranged and do not have characteristic shapes and that the animal is prone to hemorrhage as the result of poor blood clotting. Based on these results, the target of the autoimmune response could be
A) fibronectins. B) laminins. C) extensins. D) pectins. E) desmotubules.
The transfer of antibiotic-resistant genes from genetically engineered bacteria to disease-causing bacteria _____.
a. would, if it occurred, be no cause for concern b. has occurred c. is likely to occur d. can never occur e. seems unlikely