Check-in #2 Review

What are the monomer units that make up proteins?

• amino acids 
• glucose
• fatty acids 
•  nucleotides

Tags

NGSS.HS-LS1-1

Organic macromolecules called _______ are insoluble in water, are often found in biological membranes and other waterproof coverings, and have the ability to store energy for extended periods of time.

• lipids 
•  nucleic acids 
• carbohydrates 
•  proteins

Which of the following is true about protein molecules?

• The shape and folded structure of a protein molecule are important in determining its function
• Protein molecules are made up of strands of DNA joined together by amino acid sequences.
• The sequence of amino acids that make up a protein molecule do not affect its function. 
•  Protein molecules have many functions in the body, including the storage of genetic information.

Tags

NGSS.HS-LS1-1

Sugars such as glucose, fructose, and ribose are examples of _______.

• lipids
• proteins 
• nucleic acids 
• carbohydrates

Lipids are organic macromolecules that serve a variety of purposes. What is the most important role of lipids?

• to metabolize sugar
• to build muscles
• to oxygenate blood
• to store energy

Which organic compound home is in  the nucleus?

• carbohydrates
• nucleic acid
• protein
• lipids

Alpha-amylase, an enzyme present in saliva, breaks down the polysaccharide starch. Which food does it help to digest?

• candy

• potato

• milk

• steak

All organisms contain DNA and RNA. What are the subunits of DNA and RNA?

• simple sugars

• amino acids

• carbohydrates

• nucleotides

What property of proteins BEST allows them to perform an enormously diverse range of functions?

• their large, chemical energy storage

• their large, stored energy potential

• the complexity of their folded structure

• the wide variety of elements they include

Which type of molecule do whales use for energy storage and insulation?

• DNA

• glucose

• fat

• starch