When the centers of tubercles break down into ________ lesions, they gradually heal by calcification that replaces normal lung tissue.
A. necrotic caseous
B. granuloma
C. secondary
D. tertiary
E. primary
Answer: A
You might also like to view...
An F1 individual resulting from a cross between a homozygous dominant parent and a homozygous recessive parent is
always ____.
a. heterozygous or homozygous dominant b. heterozygous or homozygous recessive c. homozygous dominant d. homozygous recessive e. heterozygous
Hardy-Weinberg equilibrium will not occur in a population in which
A. mutations do not occur. B. individuals mate at random. C. natural selection does not occur. D. individuals immigrate or emigrate. E. sexual selection does not occur.
Inheritable mutations in the genes of an individual arise due to
A) artificial selection. B) other species in the environment. C) vigorous exercise or effort. D) random chance. E) environmental change.
Why are acid fast organisms difficult to stain?
What will be an ideal response?