Chronic smoking can lead to the formation of scar tissue in the lungs, permanently damaging alveoli. What condition results from this process?
A) bronchitis
B) asthma
C) emphysema
D) lung cancer
C
You might also like to view...
What is the purpose of accessory pigments, such as carotenoids, in photosynthesis?
What will be an ideal response?
The bacterial genome often consists of a single chromosome that carries all of the essential genes and one or more varieties of plasmid that generally carry non-essential genes.
a. true b. false
The two main functions of the lymphatic system are
A) coagulating blood and fighting infections. B) producing hormones that regulate the immune system and coagulating blood. C) producing hormones that regulate the immune system and fighting infections. D) returning tissue fluid to the circulatory system and fighting infections.
Mitosis results in perfect duplication of cells. Meiosis results in a shift from ________ to _________.
Fill in the blank(s) with the appropriate word(s).