The COPD called emphysema forces the afflicted to exhale through pursed lips to maintain intrabronchial backpressure, thereby preventing
A) the use of secondary breathing muscles.
B) surface tension decrease.
C) decreased traction.
D) mixing of oxygenated/deoxygenated blood.
E) airway collapse.
Ans: E) airway collapse.
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Obligately symbiotic relationships generally do not foster horizontal gene transfer at a higher rate than non-symbiotic relationships
Indicate whether the statement is true or false.
It is estimated that 4.6% of SNPs and about 17% of all genes can be defined as pleiotropic. Based on this finding, which of the following should a consumer of genetic information keep in mind?
A) A test identifying a gene for a disease might actually be a test for a different disorder instead. B) Any variant that we gain information about might in the future be found to associate with a more stigmatizing condition. C) A physician might be treating the major condition but not notice even more deleterious outcomes. D) The classification of my genetic disorder might be incorrect. E) Sequencing of the candidate gene might find the wrong expected functional significance.
The night prior to a football game, the coach tells his students to eat pasta to “carbo load”
their bodies. Excess carbohydrates are stored as __________ in animals.
a. glucose b. simple sugars c. glycogen d. starch
Predation always has a negative effect on the individual prey
Indicate whether the statement is true or false