Unit 1 Review Chemistry of Life

What 3 subatomic particles make up atoms?

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

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NGSS.MS-PS1-1

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

• element
• compound
• mixture
• blend

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NGSS.HS-PS1-1

The main types of chemical bonds are:

• ionic and subliminal
• covalent and hydrogenated
• ionic and covalent
• ionic and flourite

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NGSS.HS-PS1-4

The major macromolecules of life are:

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

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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 smallest unit of matter that cannot be broken down by chemical means?

• Atom
• Element
• Ion
• Isotope

What are the four elements that all life is made up of?

• Hydrogen, Oxygen, Nitrogen and Carbon
• Helium, Oxygen, Neon and Carbon
• Hydrogen, Titanium, Carbon, Nitrogen
• Oxygen, Chlorine, Iron, Nitrogen

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NGSS.HS-LS1-6

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

• Carbohydrates
• Lipids
• Nucleic Acids
• Proteins

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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