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

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Definitions:

Developing Organism

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Conception

The initiation of pregnancy, marked by the fertilization of an egg by a sperm.

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A developmental stage typically occurring from the late teens through the twenties, characterized by the pursuit of independence, identity, and personal and professional goals.