The human disease Nijmegen breakage syndrome results from mutations in genes related to
a. nucleotide excision repair.
b. double-strand break repair pathways.
c. photoreactivation.
d. base excision repair.
e. mismatch repair.
Ans: b
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Erythrogenic toxin, hyaluronidase enzyme, and hemolysins S and O are extracellular products of:
a. E. faecalis. b. S. pneumoniae. c. S. pyogenes. d. S. agalactiae.
In a recent surgery, when the cut area was sutured, bacteria entered the open tissue. As a result, you now have an infection of deep tissue exhibiting redness, swelling, pain, fever, and a rash. With your knowledge of microbiology, you predict that you have a developed an infection caused by ________.
A. Staphylococcus B. E. coli C. Neisseria D. human herpesvirus 3
Which molecule, when moving across a plasma membrane, would require the most ATP to be used?
A) a water molecule B) a simple sugar, such as glucose C) a dissolved gas, such as carbon dioxide D) an ion moving against a concentration gradient
Personalized medicine is ________
A) based on an average of molecular profiles B) used to design treatments for multiple patients C) a subset of precision medicine D) involves screening drugs on individual patients