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Biochemistry: Glycerides and Steroids

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Questions and Answers

What is the result of a glycerol molecule combined with three fatty acids?

Phospholipid
Monoglyceride
Diglyceride
Triglyceride (correct)

Which of the following is a critical function of glycerides?

Providing insulation to reduce heat loss (correct)
Acting as long-distance chemical signaling molecules
Facilitating the synthesis of steroid hormones
Forming the primary structure of cell membranes

What characteristic structure do steroid molecules possess?

A four-ring carbon structure (correct)
A chain of amino acids folded into a complex shape
A glycerol backbone with attached fatty acids
A phospholipid bilayer

Besides consumption through animal products, where else is cholesterol synthesized?

<p>Synthesized by the body (C)</p> Signup and view all the answers

Which of the following is the primary function of phospholipids?

<p>Forming the primary structure of plasma membranes (B)</p> Signup and view all the answers

Flashcards

Glyceride

A lipid formed from a glycerol molecule bonded to one or more fatty acid chains.

Triglyceride

A type of glyceride with three fatty acids attached to a glycerol molecule. The most common type of fat found in humans.

Steroid

Large lipid molecules with a distinctive 4-ring carbon structure.

Cholesterol

A type of steroid essential for building and maintaining cell membranes. Also used to create other important hormones.

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Hormone

Chemical messengers that travel throughout the body, regulating various processes. They can be steroids (like estrogen and testosterone) or other molecules.