Why Would Hydrophilic Substances Such as Sodium Ions (Na⁺),hydrogen Ions

question 62

Multiple Choice

Why would hydrophilic substances such as sodium ions (Na⁺) ,hydrogen ions (H⁺) ,sugars,and amino acids be unable to simply diffuse across a plasma membrane?

• A) They readily mix with the hydrophobic tails forming the core of the phospholipid bilayer.
• B) They are repelled by the hydrophilic heads of the phospholipids that form the phospholipid bilayer.
• C) They do not readily mix with the hydrophobic tails forming the core of the phospholipid bilayer; therefore,they must move across by facilitated diffusion.
• D) They do not readily mix with the hydrophobic tails forming the core of the phospholipid bilayer; therefore,the only way they can move into the cell is by endocytosis.

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Definitions:

Complementary Product

A product that enhances the value of another product when used in conjunction, often leading to an increased demand for both.

Cannibalization

The reduction in sales volume, revenue, or market share of one product as a result of the introduction of a new product by the same producer.

Multi-product Firm

A company that offers a variety of different products rather than focusing on a single line.

Reposition

The process of changing a product's place in the market, which can involve altering its image, price, features, or target audience to better meet strategic goals.