Emphysema is caused by an increase in elastase, an enzyme that breaks down elastin. Predict the symptoms you would expect to see in a patient with emphysema.
A. Decreased ability of the lungs to expand and contract.
B. Thickening of the extracellular matrix.
C. Thinning of vertebral discs.
D. Thinning of the cell wall.
E. Thickening of the cell wall.
A. Decreased ability of the lungs to expand and contract.
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A) all species positively. B) all species negatively. C) most species negatively, but a few positively. D) most species positively, but a few negatively.
Why are deletions or insertions of nucleotides likely to be more detrimental than base substitutions?
What will be an ideal response?
Not only does science involve gaining knowledge about the natural world, it also involves the process of obtaining that knowledge.
Indicate whether the statement is true or false.