Why Are Two-Component Regulatory Systems Particularly Useful for Controlling Gene

question 16

Multiple Choice

Why are two-component regulatory systems particularly useful for controlling gene expression in response to environmental signals?

• A) Two proteins controlling a gene means there are two chances to activate a gene.
• B) Two proteins delay the response time so the cell can be sure the change is permanent.
• C) One of the two proteins can be exposed to the external environment to receive a signal.
• D) Phosphorylation is a permanent change so genes are always turned on after signal.

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Definitions:

Factoring Procedures

The financial transaction where a business sells its accounts receivable to a third party to get immediate cash, minus a fee.

Short-term Financing

This refers to financial obligations or loans that are due for repayment within a period of one year or less, often used for managing daily business operations.

Yield Curve

A graphical representation showing the relationship between the yield on securities with differing terms to maturity, typically for government bonds.

Working Capital

The difference between a company’s current assets and current liabilities, indicating short-term financial health.