Building Blocks of Life Answers

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Which statements describe molecules? Check all that apply.Molecules are made of two or more atoms.Molecules are all the same sizeMolecules range in size.Molecules are only made of atoms of the same element.Molecules are only made of atoms of different elements.Molecules are made of atoms of the same element or different elements.

A
Molecules are made of two or more atoms.
B
Molecules are all the same size
C
Molecules range in size.
D
Molecules are only made of atoms of the same element.
E
Molecules are only made of atoms of different elements.
F
Molecules are made of atoms of the same element or different elements.
2
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AtomsElements✔ MoleculesCompounds

A
Atoms
B
Elements
C
✔ Molecules
D
Compounds
3

✔ AtomsElementsMoleculesCompounds

A
✔ Atoms
B
Elements
C
Molecules
D
Compounds
4

AtomsElementsMolecules✔ Compounds

A
Atoms
B
Elements
C
Molecules
D
✔ Compounds
5

Use the drop-down menus to complete the statements.

Answers:
are pure substances that cannot be broken down into a simpler form.:Elements
are units of two or more atoms.:Molecules
are the smallest possible particles of an element.:Atoms
are pure substances made of two or more atoms of different elements.:Compounds
6

Use the drop-down menus to complete the statements.

Answers:
are pure substances that cannot be broken down into a simpler form.:Elements
are units of two or more atoms.:Molecules
are the smallest possible particles of an element.:Atoms
are pure substances made of two or more atoms of different elements.:Compounds
7

Which statements describe organic compounds? Check all that apply.Organic compounds are commonly found in living things.Organic compounds are not associated with or made from living things.Organic compounds contain carbon.Organic compounds usually lack carbon.Organic compounds are found in food.

A
Organic compounds are commonly found in living things.
B
Organic compounds are not associated with or made from living things.
C
Organic compounds contain carbon.
D
Organic compounds usually lack carbon.
E
Organic compounds are found in food.
9

Which element provides strength to bones?

A
sulfur
B
phosphorus
C
nitrogen
D
hydrogen
10

Which elements make up a water molecule?

A
hydrogen and nitrogen
B
oxygen and nitrogen
C
oxygen and carbon
D
hydrogen and oxygen
11

Which statement describes carbohydrates?

A
Carbohydrates store and transmit an organism’s genetic information.
B
Carbohydrates provide energy to organisms.
C
Carbohydrates help with an organism’s tissue growth and repair.
D
Carbohydrates provide an organism with long-term energy storage.

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