Macromolecules

The diagram shows the general structure of an amino acid. Which type of molecule is formed from amino acids?

• lipids
• proteins
• carbohydrates
• nucleic acids

Tags

NGSS.HS-LS1-1

Fats, oils and cholesterol are all types of what?

• cell membranes
• hormones
  hormones
• lipids
• fatty acids

Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water-permeable. This waxy coating is which of the following types of organic molecule?

• protein
• carbohydrate
• nucleic acid
•  lipid

A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?

• carbohydrates
• lipids
• nucleic acids
• proteins

The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements? 

• Enzymes function best at a specific temperature.
• The body needs to be warm to prevent hypothermia.
  
• The body is kept relatively warm to prevent too much enzyme action. 
• There is no connection between the two statements. 

Tags

NGSS.HS-LS1-3

Like complex carbohydrates, proteins are macromolecules that serve many functions and can be chemically broken down and restructured. Both proteins and complex carbohydrates are which of the following?

•  polymers of smaller subunits
• sequence of sugars
• lipids of large molecules
• nucleotides of DNA

What is the function of macromolecule subunit below?

• energy
• catalyst
• stores genetic information
• composes the majority of the cell membrane

Tags

NGSS.HS-LS1-1

Which of the following is an inorganic molecule?

• Glucose

• DNA

• Lipids

• Oxygen

What is the main function of carbohydrates?

• To transmit genetic information

• To provide quick energy for the body

• To store energy

• To carry out chemical reactions and fight diseases

Tags

NGSS.HS-LS1-7

What is the main function of proteins?

• To transmit genetic information

• To provide quick energy for the body

• To store energy

• To carry out chemical reactions and fight diseases

Tags

NGSS.HS-LS1-1