LOI 1 Quiz: Macromolecules

Which macromolecules should the nutritionist recommend to a long distance swimmer to increase their energy? Pick 2

• A. Carbohydrates

• B. Lipids

• C. Protein

• D. Vitamins

What foods should he eat before the game to have the most short-term energy?

• Steak

• Whole grain spaghetti

• Scrambled Egg

• Cheese stick

Based on the data table, which sample is most likely steak (meat)?

• Sample A

• Sample B

• Sample C

• Sample D

Unknown substances can be tested and compared with the standard for positive identification of the substance.  Benedict's solution is an indicator for sugar, Lugol's iodine solution is an indicator for starch, and Biuret’s solution is an indicator for protein. 

You are asked to analyze and compare a food substance with standards for organic compounds.  You observe a positive result with Benedict's solution negative result with Lugol’s iodine solution negative result with Biuret's solution.

• What can you conclude about this food?

• The food contains starch and is most likely pasta.

• The food contains protein and is most likely chicken.

• The food contains sugar and is most likely candy.

• The food contains sugar and is most likely milk.

Which of the following structure(s) is involved in repairing and building body tissues?

• Structure 1

• Structure 2

• Structure 3

• Structures 1 & 3

Which of the structures would produce the most long term energy?

• Structure 1

• Structure 2

• Structure 3

• Structures 1 & 2 would be equal

Which structure forms carbohydrates?

• Structure 1

• Structure 2

• Structure 3

• none of the above

Which of the following monomers is the building block of carbohydrates?

• Fatty acids

• Amino acids

• Monosaccharides

• Lipid

What elements are found in all macromolecules?

• C, H, O

• C, H, N

• O, H, P

• C, H, N, P

Which of these describes a polymer?

• large molecule made of smaller subunits

• molecule with a polar head and nonpolar tails

• a molecule composed of hydrogen, carbon, and oxygen

• a molecule that catalyzes a reaction in living organisms