Biology
What will be an ideal response?
the science that studies life
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Lipids are polar, hydrophilic molecules
Indicate whether this statement is true or false.
The fossil record reveals that the structure of shoulder joints in birds, which is essential for flight, is an adaptation that
originated in ____.
a. nonflying birds b. ancient bats c. ancestral birds d. nonflying dinosaurs e. flying dinosaurs
Which level of protein structure has the greatest effect on the remaining levels?
a. primary b. secondary c. tertiary d. quaternary
You discover a dog suffering from an autoimmune response. On further investigation, you find that the cells of various tissues are loosely arranged and do not have characteristic shapes,
and the animal is prone to hemorrhaging because of poor blood clotting. Based on these results, the target of the autoimmune response is most likely to be A) fibronectins. B) laminins. C) extensins. D) pectins. E) elastins.