Macromolecules 2

Which of the following molecules make up the basic structure of a cell membrane?

• waxes
• steroids
• fatty acids
• phospholipids

What are different examples of lipids?

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

Saturated fats are __________ at room temperature.

• liquid
• gases
• plasma
• solid

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

Unsaturated fats are __________ at room temperature.

• liquids
• solids
• toxic
• saturated

Which of these is a lipid?

• triglycerides
• steroids
• fatty acids
• all of the above

What creates a steroid?

• 4-fused carbon rings
• 3-fused hydrogen chains
• 2-fused oxygen molecules
• 1 carboxyl group

This picture shows what type of lipid?

• unsaturated fat
• wax
• saturated fat
• steroid

What is a protein: 

• A polymer composed of many sugars.
• A polymer composed of many amino acids. 
• A polymer composed of fatty acids. 
• A polymer composed of nucleotides. 

Tags

NGSS.HS-LS1-6

Enyzmes are a very important type of protein used to

• Build bones in skeleton
• Send hormonal signals throughout body
• Speed up chemical reactions
• Photosynthesize glucose in plants