Very Large Molecules (Macromolecules)can Be Transported Across Membranes by ________

question 25

Multiple Choice

Very large molecules (macromolecules) can be transported across membranes by ________.

• A)pores or channels with very large openings through the center
• B)active transport proteins
• C)diffusion down a concentration gradient
• D)endocytosis or exocytosis

---

Definitions:

Conservation

In cognitive psychology, the understanding that an object's or substance's quantity remains the same even when its appearance changes, a concept developed by Jean Piaget.

Formal Operational Thought

A stage in Piaget's theory of cognitive development, where individuals develop the ability to think abstractly, systematically, and logically.

Concrete Operational Thought

A phase in Piaget's cognitive development theory where kids develop the capacity to logically reason about tangible events.

Moral Realistic Thought

A stage of moral development where individuals believe that rules are absolute and that morality is determined by the consequences of actions.