Biomolecules: Lipids, Fatty Acids, and Carbohydrates

Flashcards covering lipid structure (saturated/unsaturated, triglycerides, phospholipids, membranes) and carbohydrate features (C:H:O ratio, examples) from the lecture notes.

The hallmark of a saturated fatty acid is that all the carbon–carbon bonds are __.

single bonds

An unsaturated fatty acid contains at least one __ bond between carbons.

double

A triglyceride contains three fatty acid chains attached to a __ molecule.

glycerol

The covalent bonds that link the fatty acids to the glycerol are called __ bonds.

ester bonds

A phospholipid contains two fatty acids and a __ group.

phosphate

A phosphate group in phospholipids is a __ group.

functional

Membranes have selective __.

permeability

In lipids there is lots of hydrogen and carbon, but very little __.

oxygen

Which atoms should be in all biological molecules? Carbon, hydrogen, and __.

oxygen

The C:H:O ratio in carbohydrates is __ (1:2:1).

1:2:1

Common carbohydrate names include __.

glucose, lactose, sucrose, and fructose

A newborn baby’s white coating is a __.

wax