Yops proteins, produced by Yersinia pestis,
A. interfere with phagocytosis.
B. activates plasminogen activator.
C. destroys C3b and C5a.
D. promotes apoptosis.
A.
You might also like to view...
During a polymerase chain reaction,
a. a DNA template is mixed with primers, nucleotides, and Taq polymerase. b. the sample is heated in order to allow the two strands of DNA to separate completely. c. some of the primers base-pair with template DNA. d. Taq polymerase performs DNA synthesis from the primers. e. all of these occur
As a result of concussions, former football players have an elevated risk for ____
a. spinal cord injury b. Huntington disease c. amyotrophic lateral sclerosis d. Alzheimer's disease e. multiple sclerosis
Two genes have a lod score of 1.2. This indicates that the two genes are most likely __________
A. moderately linked D. on separate chromosomes B. loosely linked E. in separate genomes C. tightly linked
Which of the following reproduce by parthenogenesis?
A. bees B. some lizards C. some fish D. some frogs E. All of the choices are correct.