Most Lipids Have _____ in Their Chemical Structures

question 11

Multiple Choice

Most lipids have _____ in their chemical structures.

• A) nitrogen atoms
• B) glucose molecules
• C) phospholipids
• D) fatty acids

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Definitions:

Carbon-14

A radioactive isotope of carbon used in radiocarbon dating to determine the age of organic materials.

Paleozoic Sedimentary Units

Layers or formations of sedimentary rock created during the Paleozoic era, documenting ancient environmental conditions.

Precambrian Rocks

Geological formations dating from the period before the Cambrian, over 541 million years ago, representing Earth's earliest history.

Depositional Contact

The surface or boundary between two layers of rock where new sediment layers accumulate on top of existing ones.