With Two Membranes and a Peptidoglycan Layer, How Does a Gram-Negative

question 64

Multiple Choice

With two membranes and a peptidoglycan layer, how does a Gram-negative cell move small, polar metabolites across the outer membrane?

• A) Active transport
• B) Facilitated diffusion through porin proteins
• C) Use of small microvesicles containing autolysin
• D) Simple diffusion across the lipopolysaccharide layer

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Definitions:

Discount Rate

The interest rate charged by the Federal Reserve to depository institutions.

Federal Reserve

The Federal Reserve is the central bank of the United States, responsible for implementing the country's monetary policy, regulating banks, maintaining financial system stability, and providing financial services.

Monetary Growth

The increase in the money supply in an economy over time, which can influence inflation rates, interest rates, and economic growth.

Open Market Operations

The buying and selling of government securities by a central bank to control the money supply and interest rates.