In this disease, the mucus-producing lining of

airways become inflamed and excrete excess
mucus that becomes colonized by bacteria.
This disease is



a. anemia.
b. emphysema.
c. asthma.
d. bronchitis.
e. atherosclerosis


D

Biology & Microbiology

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) A prokaryotic organism is isolated from a glacier, where it was thriving. Based on your knowledge of the plasma membrane, you would expect to find a predominance of

A) largely saturated fatty acids. B) equal amounts of saturated and unsaturated fatty acids, as long as the chain was close to 12 carbons in length. C) cell wall to define the cell because the cell membrane would not be present. D) largely unsaturated fatty acids. E) none of the above

Biology & Microbiology

Genes that are exchanged between prokaryotes

are contained in

a. pili. b. plasmids. c. prokaryote RNA. d. the nucleus. e. capsules

Biology & Microbiology

The F2 phenotypic ratio of a monohybrid cross

involving a gene with incompletely dominant alleles is a. 1:1. b. 2:1. c. 9:3:3:1. d. 1:2:1. e. 3:1.

Biology & Microbiology

During the process of gel electrophoresis, the DNA fragments migrate due to the effects of ____

a. gravity b. vibrations

c. electrical charge d. magnetic attraction e. centrifugal force

Biology & Microbiology