The Chemistry of Life

Zane is making a chart of compounds that are found in the human body. What is the most common compound found in the human body?

• H2O   
• CO2
• Sodium Bicarbonate (baking soda)
• NaCl (table Salt)

Tags

NGSS.MS-PS1-1

Carbohydrates are made up of three of the six major molecules found in living things. The general chemical formula for a carbohydrate is CH₂O. Which elements combine to make a carbohydrate?

• copper and cobalt
• chlorine and oxygen
• carbon, helium, and oxygen
• carbon, hydrogen, and oxygen

Tags

NGSS.HS-LS1-6

When people eat foods high in proteins, such as meat, eggs and cheese, the body breaks down the proteins into smaller molecules. What is supplied to cells when the body breaks down proteins?

• amino acids
• nucleic acids
• phospholipids
• carbohydrates

Tags

NGSS.MS-LS1-7

What are the four main types of molecules found in the cells of living things?

• carbohydrates, lipids, nucleic acids, and proteins
• lipids, nutrients, nucleic acids, and carbon dioxide
• carbon dioxide, hydrogen, oxygen, and various salts
• atoms, molecules, chemical compounds, and carbohydrates

What type of molecule provides immediate energy in cells?  

• lipids
• proteins
• carbohydrates
• nucleic acids

Animal cells have four main molecules that keep the body healthy. What type of molecule in animal cells provides a “map” for making proteins?

• lipids 
• proteins
• nucleic acids
• carbohydrates

Tags

NGSS.HS-LS1-1

The cells in living things contain four main molecules that allow the cells to function. Which of these molecules cannot mix with water?

• lipids
• proteins
• nucleic acids
• carbohydrates

This biomolecule is used to make energy for our cells. The simplest is glucose, a monosaccharide.

• Carbohydrates
• Lipids
• Nucleic Acids
• Proteins

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

These biomolecules are fats, oils, waxes and steroids. They are also a result if we eat too many carbohydrates and why we don't melt in water.

• Carbohydrates
• Lipids
• Nucleic Acids
• Enzymes

Examples of these biomolecules are DNA and RNA...

• Nucleic Acids
• Carbohydrates
• Lipids
• Proteins

Tags

NGSS.MS-LS3-1