The Extracellular Matrix Outside the Plasma Membrane of Animal Cells

question 8

Multiple Choice

The extracellular matrix outside the plasma membrane of animal cells is typically composed of

• A)collagen and proteoglycans.
• B)lipids.
• C)cellulose.
• D)peptidoglycan.
• E)collagen,proteoglycans,lipids,and peptidoglycan.

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Definitions:

Painful Stimulus

An external or internal event or trigger that can cause a physical or emotional experience of pain.

Intonations

The variation of pitch in speech that affects the meaning of words, conveying emotions and grammatical signals.

Fetal Period

The stage of human development that begins around the end of the eighth week after conception and continues until birth.

Embryo

An early developmental stage in many multicellular organisms, following fertilization and preceding fetal development in humans.