Lecture 8 Practice

Select all correct statements about organic oils.

• Soluble in water.

• Sources of energy.

• Structural component of membranes.

• Mostly made of phosphorous.

• The entire structure is polar.

What kind of macromolecule are oils?

A _________ is a type of lipid that is made of three fatty acid chains linked by a glycerol.

________ fatty acids have no double bonds, are chemically inactive, and solid at room temperature.

True or False: Plants produce both saturated and unsaturated fatty acids.

• True

• False

Vegetable oils are generally composed of ___________ fatty acids.

Select all correct statements about coconut oil.

• The oil is harvested from all of the endosperm.

• The oil is liquid at room temperature.

• It has low levels of saturated fat.

• It has high levels of saturated fat.

• The oil is harvested from only the cellular endosperm.

In 1911, Proctor & Gamble developed a method making cottonseed oil a firm, fairly stable product called shortening (name brand Crisco). That method is called _________.

Select all correct statements about palm oil.

• Production is a major driver of deforestation in species-rich areas like Borneo and Southeast Asia.

• One species threatened by deforestation driven by palm-oil production is the Orangutan

• Palm oil is found in many commercial/packaged food products

• Global demand for palm oil is decreasing

• Palm oil is only used in food products.

Tags

NGSS.HS-ESS3-1

NGSS.HS-LS2-6

NGSS.HS-LS2-7

NGSS.HS-LS4-5

Hydrocolloids are used in food for (select all that apply):

• Thickening

• Stabilizing

• Emulsions

• Gelling