Atoms and Compounds of the Body

The smallest units of matter that have their own distinct set of properties

• compound
• proton
• atom
• electron

Tags

NGSS.MS-PS1-5

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

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

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

Which of these statements best describes a molecule?

• All molecules must contain carbon and oxygen.
• All molecules must have two different elements.
• All molecules are made up of two or more atoms
• All molecules must have at least three different atoms.

Tags

NGSS.MS-PS1-1

Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What part of an atom is NEGATIVELY charged?

• protons
• neutrons
• electrons
• atoms