Reference no: EM133448914
Question
1. Summarize the relationship between structure and function in biology.
2. Fill in the blank with the appropriate term. Constant body temperature in mammals, relatively constant glucose concentration in the bloodstream, and constant sodium concentration in body fluids are all examples of _____________________.
3. Fill in the blank with the appropriate term. Homeostasis is maintained through _________________________.
4. On page 79 genes are said to determine "inherited traits" (right hand column, lines 8-9). Shortly after this genes are said to "tell cells ... how to construct specific protein...". What do these two statements about genes tell us about the relationship between traits and proteins?
5. What are the four types of large, complex, organic molecules in cells? Which of these has the widest variety of functions?
6. What are four specific functions of the cell membrane?
7. Summarize the differences between passive and active transport mechanisms in terms of the use of energy and the movement of substances with respect to concentration gradients.
8. What are the overall roles of catabolic and anabolic metabolism?
9. Two types of cell division are discussed in chp 3. What are they? What role does each type of division play in the life cycle?
10. What is a "catalyst"? What kind of catalysts are used in cells?
11. What determines the function of an enzyme?
12. According to f 4.9, what are the three energy yielding macromolecules?
13. What is the key structural difference between collagen and elastin? How does this affect the connective tissue they're found in?
14. What's depicted in f 2.16? Why is this important?
Analysis
15. Cell membranes are a mosaic of lipid and protein molecules. Assign the functions you listed in #6 to either protein or lipid.
Function A:
Function B:
Function C:
Function D:
16. Fill in the table below referring to f 4.5. You're looking for the three biochemical pathways by which cells make ATP (left column), what each pathway uses (center column), and what each pathway produces (right column)
pathway reactants products
17. The figure below shows an example of a feedback system. Label the receptors, the effector, and the regulatory center.
18. Examine f 4.12 and f 4.13. What determines the order that amino acids get linked together to form a protein?
19. Study the figures in section 5.3 showing connective tissue. From what you see why would adipose and blood be considered "atypical" connective tissues?