For a Firefly to Glow,the Enzyme Luciferase Must Catalyze a Chemical

question 11

Multiple Choice

For a firefly to glow,the enzyme luciferase must catalyze a chemical reaction in the cells of the firefly.A scientist uses a chemical to induce a mutation in the luciferase gene in a strain of fireflies.Which of the following is true?

• A) Even if the mutation changes the structure of the luciferase protein, it will still be able to perform the chemical reactions needed to make the firefly glow.
• B) The ability of the firefly to glow may or may not be affected by the mutation.
• C) The mutation will affect the structure of the mRNA made from the gene, but not the structure of the protein made from the gene.
• D) Any mutation in a gene causes that gene to stop making functional proteins.

Comprehend the concept of consideration and its requirements for a valid contract.

Recognize the features of an illusory promise and its implications on contract enforcement.

Identify the conditions under which a promise to pay a previous debt is enforceable.

Understand the impact of options to cancel on the enforceability of promises.

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Definitions:

Money Demanded

The total amount of money that households and businesses wish to hold at any given interest rate, at a specific time.

Federal Funds Rate

The interest rate at which banks lend reserves to each other overnight, serving as a key monetary policy tool of the Federal Reserve.

Open-Market Operations

The purchase and sale of U.S. government bonds by the Fed.

Fed

Short for the Federal Reserve System, the central banking system of the United States responsible for monetary policy.