BIOLOGY 130 CHAPTER 1-6 STUDY QUESTIONS

BIOLOGY 130 CHAPTER 1-6 STUDY QUESTIONS CHAPTER 2 WEEK 1 STUDY QUESTIONS Chemistry and physics are fall into which field of science? Select all that apply. A. natural science B. physical science C. life science D. social science E. hard science Feedback: Learning Objective: Define matter and elements Question 2 of 10 1.0/ 1.0 Points What functional group allows sugars (CnH2nOn) to be water soluble? Select all that apply. A. methyl B. carbonyl C. hydroxyl D. amino E. sulfhydryl Feedback: Learning Objective: Explain why carbon is important for life Question 3 of 10 1.0/ 1.0 Points Normal (homeostatic) pH level of blood serum’s pH is around 7.4. Carbonic acid is released in the blood to help maintain a pH when the blood has high hydroxyl levels. This would cause pH to change from A. basic to acidic B. basic to neutral C. neutral to basic D. acidic to 7.4 E.basic to 7.4 Feedback: Learning Objective: Discuss the role of acids, bases, and buffers in homeostasis. Question 4 of 10 1.0/ 1.0 Points After 11,200 years, approximately carbon­14 would remain in a sample of wood. A.75% B.50% C.25% D.12.5%