An Organism That Respires Using Oxygen When It Is Present

question 30

Multiple Choice

An organism that respires using oxygen when it is present but can switch to an alternative anaerobic pathways when it is absent is a(n) ________.

• A)aerotolerant anaerobe
• B)obligate aerobe
• C)facultative anaerobe
• D)microaerophile
• E)obligate anaerobe

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Definitions:

Income Tax

A tax levied by governments on individuals or entities' income. The rate can vary based on the level of income earned.

Regressive

Describing a tax system in which the tax rate decreases as the taxable amount increases, often placing a higher burden on lower-income individuals.

Proportional

Relating to or denoting a relationship where quantities or sizes are in direct relation to each other.

Tax Tables

A set of charts provided by the IRS that help taxpayers determine the amount of federal income tax they owe based on their income level and filing status.