Macromolecules Warmup 1

What essential element is the backbone of all organic molecules?

• nitrogen

• carbon

• hydrogen

• glucose

Which element is NOT part of the structure of carbohydrates and lipids?

• carbon

• hydrogen

• nitrogen

• oxygen

Which of the following is NOT correct?

• mono = 1

• poly = many

• di = 3

• sacchar = sugar

Which of the following is false regarding monosaccharides?

• They are small simple sugars

• Glucose, the most abundant sugar on earth, is an example

• Fructose, commonly added to food/drink to enhance flavor, is an example

• Sucrose, common table sugar, is an example

Which of the following is true regarding carbohydrate - polysaccharides?

• Glycogen, used for energy storage, is produced by the liver and stored in muscle cells in animals.

• Starch is used for energy storage and stored in animals.

• Cellulose is a structural component of cell walls found in animals.

• Chitin is a structural component of cell walls found in plants.

Which of the following is true regarding carbohydrates and lipids?

• Lipids store energy short term while carbs store energy for long term

• Both lipids and carbs store energy for long term

• Lipids store energy long term while carbs store energy for short term

• Both lipids and carbs store energy for short term

Which of the following is NOT an example of a lipid?

• cholesterol

• wax

• hormones and steroids

• deoxyribose

Which of the following is true regarding lipids?

• "Fats", solids at room temperature, are considered unsaturated

• Lipids can be used for waterproofing in plants

• "Oils", liquids at room temperature, are considered saturated

• Can be identified by Benedict's reagent that turns orange in presence of lipids when heated to 100 degrees Celsius for 5 minutes

Which 2 answers are functions of lipids?

• Short term energy support

• insulation and protection

• structure and support

• long term energy storage

Which of the following are the major types of macromolecules? Select all that apply.

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids