Which Molecule Is Least Likely to Cross a Cellular Membrane

question 19

Multiple Choice

Which molecule is least likely to cross a cellular membrane by simple diffusion?

• A) Water
• B) Oxygen
• C) Nitrogen
• D) Potassium ion
• E) Carbon dioxide

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Definitions:

Telemarketing

The direct marketing of goods or services to potential customers over the telephone or through subsequent face-to-face or Web conferencing appointments.

Online Retailing

Selling goods or services over the internet, which includes e-commerce websites and online marketplaces.

Do-Not-Mail Legislation

refers to laws designed to allow consumers to opt-out of receiving unsolicited marketing mail.

Green Mailings

Direct mail efforts that are environmentally friendly, often involving the use of recycled materials and less wasteful packaging.