Module 3: The Molecules of Life

How many molecules of water are used to completely hydrolyze a polymer that is 11 monomers long?

• 12

• 11

• 10

• 9

What type of organic molecule is represented by the structure in the picture?

• Carbohydrate

• Protein

• Nucleic Acid

• Lipid

The molecule pictured would be considered a ________ fat which would be _________ at room temperature.

• Unsaturated, liquid

• Saturated, liquid

• Unsaturated, solid

• Saturated, solid

Table salt (NaCl) would be considered a __________ molecule because ________________________.

• Organic, it's a carbohydrate

• Organic, it doesn't contain hydrogen or carbon

• Inorganic, it does not contain hydrogen and carbon together

• Inorganic, it's nucleic acid

An athlete running a 5k would be obtaining energy from what molecule?

• Sucrose

• Triglyceride

• Glycogen

• Amino acid

Tags

NGSS.HS-LS1-7

Would the molecules in the picture be considered isomers?

• Yes, because they share the same chemical formula but different structures

• Yes, because they share the same chemical formula and the same structure

• No, because they don't contain any double bonds

• No, because they don't contain any functional groups

Tags

NGSS.HS-PS1-2

You discover a new virus and are trying to determine if it has a DNA or RNA genome to create a new vaccine. If the virus has an RNA genome, what key difference would you expect to find in the genome?

• The presence of uracil

• The presence of thymine

• The presence of adenine

• The presence of guanine

Which of the following is true with regard to a DNA molecule?

• The amount of adenine is equal to the amount of guanine, and the amount of thymine is equal to the amount of cytosine.

• The amount of adenine is equal to the amount of cytosine, and the amount of guanine is equal to the amount of thymine.

• The amount of adenine is equal to the amount of thymine, and the amount of guanine is equal to the amount of uracil.

• The amount of adenine is equal to the amount of thymine, and the amount of guanine is equal to the amount of cytosine.

Helicase works inside cells to catalyze the unwinding of DNA so that it can be replicated. Judging by this description, Helicase would be considered

• A protein, specifically a transport protein

• A protein, specifically an enzyme

• A lipid, specifically a steroid

• A lipid, specifically a phospholipid

The following image depicts

• Primary protein structure

• DNA

• Secondary protein structure

• RNA