BIO NMDCAT CELL STRUCTURE & FUNCTION

nmdcat.online July 3, 2026

1. The dynamic outermost boundary protecting the living protoplasm of a typical animal cell is the

A. Cell wall

B. Plasma membrane

✓

C. Tonoplast

D. Glycocalyx only

📝 Explanation

Animal cells lack a cell wall entirely; their outermost living boundary is the selectively permeable phospholipid bilayer known as the plasma membrane.

📖 Additional Information

Cell wall
Plasma membrane
Tonoplast
Glycocalyx only

Animal cells lack a cell wall entirely; their outermost living boundary is the selectively permeable phospholipid bilayer known as the plasma membrane.

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