The Movement of Substances from Lower to Higher Concentration Across

question 93

Multiple Choice

The movement of substances from lower to higher concentration across a semipermeable membrane via a specific protein carrier and cell expenditure of energy is called ______.

• A) endocytosis
• B) active transport
• C) facilitated diffusion
• D) osmosis
• E) diffusion

---

Definitions:

Atomic Sentences

The simplest type of statement in logic, containing no logical operators and expressing a simple fact.

Truth Table

A mathematical table used in logic to determine the truth values of logical expressions based on their inputs, often used for propositions and Boolean variables.

Atomic Sentences

The simplest type of sentences in logic, consisting of a single proposition without any logical connectives or additional propositions.

Atomic Sentences

Basic propositions that express a complete thought without the use of logical operators.