Cholesterol Structure and Properties Quiz

Molecules containing both hydrophobic and hydrophilic groups.

Phospholipids

Polar heads towards aqueous phase, non-polar tails opposite.

<p>Facilitates lipid digestion and absorption.</p> Signup and view all the answers

<p>Stigmasterol and βsitosterol</p> Signup and view all the answers

<p>Not provided in the text.</p> Signup and view all the answers

<p>Cholesterol is a structural component of plasma membranes and is higher in the membranes of subcellular organelles.</p> Signup and view all the answers

<p>Cholesterol is a poor conductor of heat and electricity due to its high dielectric constant.</p> Signup and view all the answers

<p>Cholesterol plays a role in the synthesis of bile acids, hormones (sex and cortical), and vitamin D.</p> Signup and view all the answers

<p>Ergosterol occurs in plants and is a structural constituent of membranes in yeast and fungi. It is also an important precursor for vitamin D.</p> Signup and view all the answers

<p>Ergosterol is an important precursor for vitamin D synthesis, especially when exposed to light.</p> Signup and view all the answers

<p>Ergosterol is primarily found in plants, yeast, and fungi, while cholesterol is a component of animal cells.</p> Signup and view all the answers

<p>C27H46O</p> Signup and view all the answers

<p>Cholesterol has one hydroxyl group at C3 and a double bond between C5 and C6.</p> Signup and view all the answers

<p>If the steroid contains one or more hydroxyl groups, it is commonly known as sterol.</p> Signup and view all the answers

<p>Due to the presence of an -OH group.</p> Signup and view all the answers

<p>The methyl side chains at carbons 10 and 13 are shown as single bonds.</p> Signup and view all the answers

<p>Cholesterol is exclusively found in animals.</p> Signup and view all the answers