Chemistry of Life

What 3 subatomic particles make up atoms?

• Isotopes, protons, covalent bonds
• quarks, quirks, compounds
• protons, neutrons, isotopes
• protons, neutrons, electrons

Tags

NGSS.MS-PS1-1

The isotopes of an element all have the same number of:

• electrons
• neutrons
• protons

A chemical ________ is a pure substance made entirely of 1 type of atom.

• element
• compound
• mixture
• blend

Tags

NGSS.MS-PS1-1

The nucleus of an atom usually contains:

• protons and neutrons
• electrons
• electrons and protons
• isotopes

Tags

NGSS.MS-PS1-1

The major macromolecules of life are:

• lipids, proteins, carbohydrates, nucleic acids
• nucleic acid and water
• lipids and fats
• DNA

Tags

NGSS.MS-LS1-7

The purpose of an enzyme is:

• Do photosynthesis
• change chemicals into different chemicals
• speed up chemical reactions
• Eliminate water

What is the strongest of all the bonding types?

• Covalent
• Ionic
• Hydrogen
• Metallic

Tags

NGSS.HS-PS1-4

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

How many Amino Acids does our body use to make proteins?

• 20
• 10
• 6
• 2