{30 points} (brainliest) please help Maria's body temperature is 98.3 °F on average, but varies from 98.0 to 98.6 °F throughout the day. What are 98.3 °F and 98.0–98.6 °F, respectively, for Maria's body temperature?

A. Negative feedback and positive feedback
B. Positive feedback and negative feedback
C. Normal range and set point
D. Set point and normal range

Which of the following statements regarding anfinsen's denaturing experiments with ribonuclease a (rnase a) are valid? exposing the denatured protein to air oxidation and then dialysis to remove urea restored the protein to its original functionality. removing urea by dialysis and then allowing air oxidation of the denatured protein restored the protein to its original functionality. denaturing the protein with both urea and β-mercaptoethanol yielded an inactive protein. anfinsen concluded that protein folding is determined by its primary sequence.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Onsider the paragraph above. what is one chemical property of water? a) water is a polar molecule. b) water is the universal solvent. c) water reacts with group 1 metals. d) water has a high specific heat capacity.