________ is an inherited disorder of the lungs. A genetic mutation causes the lungs to produce a thick mucous that clogs air passages

Fill in the blank(s) with correct word


Cystic fibrosis

Biology & Microbiology

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The greatest danger of pneumothorax is ___________

Fill in the blank (s) with the appropriate word.

Biology & Microbiology

The diagram below shows inbreeding between _________ which, over time, could lower the fitness of the population. This lowering of fitness because of inbreeding is called _________.



A. siblings; inbreeding depression
B. cousins; inbreeding depression
C. siblings; genetic drift
D. cousins; genetic drift
E. siblings; sexual selection

Biology & Microbiology

C4 photosynthesis

a. is the same as C3 photosynthesis, because it takes place in chloroplasts. b. occurs in plants whose bundle sheath cells contain chloroplasts. c. takes place in plants such as wheat, rice, and oats. d. is an advantage when the weather is hot and dry. e. Both b and d are correct.

Biology & Microbiology

TLRs are

A. phagocyte receptors that detect PAMPs. B. the coatings of pathogens by complement. C. molecules that damage cells, resulting in cell lysis. D. present in intact skin, sebum, tears, etc. E. nonspecific leukocytes that secrete toxins onto the surface of virally infected cells.

Biology & Microbiology