Chemistry

Chemistry, 04.07.2019 22:40, tenoi14

How could you determine the correct temperature range, salt concentration, and ph for a specific enzyme?

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Biology, 04.07.2019 13:00, iicekingmann

(mark )an enzyme is a catalyst used by living things to promote and regulate chemical reactions. what is the most likely enzyme for the chemical reaction depicted below? a) the enzyme pictured would work at a very low temperature in a very high phb) the inside picture would look at a very high temperature in a very low phc) enzymes work best only at specific temperatures and ph'sd) temperature and ph do not affect enzyme efficiency

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Biology, 21.08.2019 01:00, Lalagrl

Which statement explains the importance of maintaining a constant internal environment to ensure proper enzyme functioning? (1) changes in ph and temperature will cause the enzyme reaction rate to be too fast. (2) temperature and ph determine amino acid sequences in enzymes. (3) changes in ph will change the genetic instructions of enzymes. (4) increasing the temperature and ph can alter the specific shape of enzymes.

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Biology, 26.09.2019 14:30, kam110800

Siamese cats have dark fur on their face, ears, legs and tail. on the core of their bodies they have lighter colored fur. the color of the fur is determined by an enzyme. on the cooler parts of the body the enzyme causes darker fur. on the warmer parts of the body the enzyme does not function. which of the following best explains the relationship between temperature and this enzyme? a. the enzyme functions best in high temperatures. b. the enzyme functions in a specific temperature range. c. the enzyme is denatured in cold temperatures. d. cool temperatures allow the enzyme to break down dark pigments.

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Biology, 07.11.2019 23:31, James300102

Relation between reaction velocity and substrate concentration: michaelis-menten equation(a) at what substrate concentration would an enzyme with akcat of 30.0 s-1 and akm of 0.0050 m operate at one quarter of itsmaximum rate? (b) determine the fraction of vmax that would beobtained at the following substrate concentrations [s]: km , 2km, and 10km .(c) an enzyme that catalyzes the reaction xy is isolated from two bacterial species. the enzymes havethe same vmax but different km values on thesubstarte x. enzyme a has a km of 2.0μm, whileenzyme b has a km of 0.5 μm. the plot shows thekinetics of the reaction carried out with the same concentration ofeach enzyme and with [x] = 1μm. which curve corresponds towhich enzyme?

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