The chancre of syphilis
A. is very painful.
B. develops into a lesion with firm margins and an ulcerated central crater.
C. occurs due to small hemorrhaging of capillaries.
D. occurs during the tertiary stage.
Answer: B
You might also like to view...
Which of the following is a junction between two
neurons? a. Schwann cell b. chemical synapse c. unsheathed node d. sodium gate e. all of these
Scientists use mitochondrial DNA to track the migration of humans across the planet. After a group migrates away from their ancestral homeland, any mutations that occur are not mixed with those left in the ancestral population. Therefore, mitochondrial DNA samples taken from ____ would have the most unique mutations, representing the original and oldest DNA sequences.
A. Africa B. Asia C. Australia D. Europe E. the Americas
which hormone suppresses spermatogenesis without affecting testosterone secretion
What will be an ideal response?
The bacterial ________ facilitates the process of bacterial cell division
A) nucleoid B) inclusion C) pilus D) cytoskeleton E) fimbriae