Quiz 1: 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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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

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The nucleus of an atom usually contains:

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

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The main types of chemical bonds are:

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

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The electrons involved in chemical bonds are called ___________ electrons.

• valence
• ionic
• Van Der Waals
• covalent

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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)

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NGSS.MS-PS1-1

Kayla has a cat with blue eyes. The color of her cat’s eyes is determined by deoxyribonucleic acid (DNA). The DNA directs which substance to construct these eyes?

• lipids
• water
• proteins
• carbohydrates

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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

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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