Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Bio Chapter 6 Quiz
| Question | Answer |
|---|---|
| Energy is stored long-term in the bonds of ____ and used short-term to perform work from a(n) _____ molecule. a. ATP, glucose b. an anabolic molecule, catabolic molecule c. glucose, ATP d. a catabolic molecule, anabolic molecule | c. glucose, ATP |
| DNA replication involves unwinding two strands of parent DNA, copying each strand to synthesize complementary strands, and releasing the parent and daughter DNA. Which of the following describes this process? a. anabolic b. catabolic c. both | a. anabolic |
| Consider a pendulum swinging. Which types of energy are associated with it in these instances? i. at the top, about to fall ii. in the middle between two ends iii. just before instant i. | i. potential ii. kinetic iii. potential and kinetic |
| Which of the following comparisons between endergonic and exergonic reactions is false? a. endergonic reactions have a + ΔG, exergonic have a - ΔG b. endergonic consume energy, exergonic release energy d. endergonic - slowly, exergonic - quickly | d. endergonic reactions take place slowly and exergonic reactions take place quickly |
| Which of the following is the best way to judge the relative activation energies between two given chemical reactions? a. compare the ΔG values between the two b. compare their reaction rates c. compare their ideal environment conditions | b. compare their reaction rates |
| Which of the following is not an example of an energy transformation? a. turning on a light switch b. solar panels at work c. formation of static electricity d. none of the above | a turning on a light switch |
| Label each of the following systems as high or low entropy: i. instant that a perfume bottle is sprayed compared with 30 seconds later ii. old 1950s car compared to brand new car iii. living cell compared to dead cell | i. low ii. high iii. low |
| The energy released by the hydrolysis of ATP is a. primarily stored between the alpha and beta phosphates b. equal to -57 kcal/mol c. harnessed as heat energy by the cell to perform work d. providing energy to coupled reactions | d. providing energy to coupled reactions |
| Which of the following molecules is likely to have the most potential energy? a. sucrose b. ATP c. glucose d. ADP | a. sucrose |
| Which of the following is not true about enzymes? a. they increase ΔG of reactions b. they are usually made of amino acids c. they lower activation energy d. each one is specific to the particular substrate to which it binds | d. each one is specific to the particular substrate to which it binds |
| An allosteric inhibitor does which of the following? b. binds to the active site and blocks it from binding substrate c. binds to an enzyme away from the active site and changes the conformation of the active site, decreasing affinity for the substrate | c. binds to an enzyme away from the active site and changes the conformation of the active site, decreasing its affinity for the substrate |
| Which of the following analogies best describe the induced-fit model of enzyme-substrate binding? a. a hug between two people b. a key fitting into a lock c. a square peg and a square hole d. two puzzle pieces fitting together | a. a hug between two people |
Created by:
mortehay000
Popular Biology sets