Describe what happens to a protein's structure and function when it is denatured
What will be an ideal response?
During denaturation, the folded conformation of a protein unravels and loses its unique shape. Loss of that shape destroys the protein's ability to accomplish its function.
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Circumvallate papilla are located:
a. in the duodenum b. around the opening of the uterine tube c. on the base of the tongue d. over most of the surface of the tongue
A hospital patient produces 4 mL/min of urine with a urea concentration of 8 mg/mL. Venous blood draw reveals urea concentration of 0.4 mg/mL. What is the percentage of cleared urea from glomerular filtrate?
A. 64% B. 56% C. 72% D. 80% E. 40%
During an isometric twitch in a skeletal muscle:
A. tension generated by the muscle always exceeds the load on the muscle. B. tetanus occurs. C. sarcomeres do not significantly shorten. D. the whole muscle shortens. E. H zones shorten.
Which of the following is part of the spiral organ (organ of Corti)?
A. modiolus B. vestibule C. tectorial membrane D. scala tympani E. chorda tympani