Lipids

Carbon chains are principal features of both carbohydrates and lipids.  What is the primary difference between these two types of macromolecules?

• Lipids always have longer carbon chains than carbohydrates.
• Carbohydrates cannot form rings like lipids can.
• Lipids provide energy, but carbohydrates cannot.
• Carbohydrates form ring structures, lipids form long chains

How do lipids function for cells?

• store information
• store energy
• breakdown wastes
• join with substrates

Which biomolecule is often stored in the body's tissues as energy and carries the most energy?

• proteins
• carbohydrates
• lipids
• nucleic acids

What are different examples of lipids?

• monosaccahrides, disaccharides, starch, cellulose
• dipetide, polypeptide, amino acids
• DNA, RNA, ATP
• triglycerides, waxes, steroids, phospholipds

This molecules is a

• amino acid
• nucleic acid
• carbohydrate
• lipid

This molecule is a

• carbohydrate
• nucleic acid
• protein
• Fatty acid

Saturated fats are __________ at room temperature.

• liquid
• gases
• plasma
• solid

Which macromolecule is this?

• carbohydrate
• Triglyceride

• protein
• nucleic acid

Which of the following is a lipid?

• cholesterol
• cellulose
• glucose
• protein

The characteristic that all lipids have in common is----

• made of lots of double bonds
• acidic when mixed with water
• no high energy content
• do not dissolve in water