Question: When apples that have been cut are exposed to oxygen, an enzyme-catalyzed reaction causes them to turn brown. They can be prevented from turning brown

When apples that have been cut are exposed to oxygen, an enzyme-catalyzed reaction causes them to turn brown. They can be prevented from turning brown by coating them with lemon juice (pH = ~3.5.) Explain why this is so.

Step by Step Solution

★★★★★

3.56 Rating (194 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Lemon juice contains citric acid Some of the side chain... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

948-C-O-C-R-O-A (2140).docx

120 KBs Word File

Students Have Also Explored These Related Organic Chemistry Questions!

When deoxyhemoglobin crystals are exposed to oxygen, they shatter. On the other hand, deoxymyoglobin crystals are unaffected by oxygen. Explain. (Myoglobin is made up of only one of the four...

When aluminum is exposed to oxygen, a very thin layer of aluminum oxide forms on the outside. Aluminum oxide is a good insulator. Nevertheless, if two aluminum wires are twisted together, electric...

Answer yes or no to the following questions and explain your answer. (a) Can the absolute value of G for a reaction be larger than G? (b) Can G for an enzyme-catalyzed reaction be greater than G for...

When fruits such as apples and pears are cut, the exposed parts begin to turn brown. This is the result of an oxidation reaction catalyzed by enzymes present in the fruit. Often the browning action...

63. What is a mixture of chopped meat, potatoes, and onions called? a. Grits b. Lox c. Hash d. Home fries ____ 64. How are grits usually cooked? a. Fried in oil b. Boiled in water c. Blanched in hot...

Context: The Panic of 1857, the New York Clearing House, and the Concept of Insolvency (A) On the afternoon of October 13, 1857, John Livingston entered the Bank of New York seeking to convert two...

After almost a decade as CEO, Tim Cook could look back at his record at Apple with enormous pride. During his tenure, Apple became the world's first trillion dollar market cap company. The firm's...

Global Trade Fall 2021-2022 Part 2 (Mid-Semester Assessment) Section: D Total Time: 70 minutes Total Marks: 15 International Trade between Bangladesh and Bhutan in accordance to the Theory of...

Use Apple's financial statements in Appendix A to answer the following. 1. What is the amount of Apple's accounts receivable as of September 29, 2018? 2. Compute Apple's accounts receivable turnover...

Introduction Tim Cook (TC), Apple's CEO, and Peter Oppenheimer (PO), the company's CFO, met in their Cupertino, California, offices on April 12, 2013. They were addressing shareholder concerns about...

Closing Journal Entries. At the end of a fiscal year, budgetary and operating statement control accounts in the general ledger of the General Fund of Dade City had the following balances:...

11.9.10) Linear differential equation with constant real coefficients Determine the general solution for: y" +4y =x sin 2x

You missed the deadline to renew you license, and it's beeen terminated. Which of the following is NOT true

Suppose China decides to pay large subsidies to any Chinese company that exports goods or services to the United States. As a result, these companies are able to sell products in the United States at...

What is the absolute configuration of (+) -methyl- hexane if catalytic hydrogenation of (S)-(+)-3- methyl-1-hexene gives (-)-3-methylhexane?

Draw perspective representation for each of the following chiral molecules, Use models if necessary, (D = deuterium = 2H, a heavy isotope of hydrogen.) (2Z,4R) - 4 - methyl - 2 - hexane

Two stereoisomers of the compound (H3N)2Pt(Cl), with different physical properties are known. Show that this fact makes it possible to choose between the tetrahedral and square planar arrangements of...

25) Company Democrat bonds have the following terms: they mature in 10 years; they pay semiannual interest of $35; their par value is $1,000. If the (annual) market rate of interest on similar bonds...

Korbel Company is considering purchasing Hamilton (a privately heid company) and discovers the following about Hamllon a. No allowance for doubtul accounts has been established A $10,000 allowance is...

can you find the following corporate bond quotes. To calculate the number of years until maturity, assume that it is currently January 15, 2022. Bonds have a par value of $2000 in semiannual coupons....