Carbon, Hydrocarbons & Carbohydrates

Last updated about 2 years ago

11 questions

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2

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2

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Library

Carbon, Hydrocarbons & Carbohydrates

Last updated about 2 years ago

11 questions

1

What element is the most important building block of biological molecules?  _______ 

1

What element is the most important building block of biological molecules?  _______ 

1

What element has atoms that can make 4 single, 2 double, 1 triple & 1 single or 2 double & 2 single bonds with other atoms?  _______ 

1

2

Many biological molecules are made of small, simple molecules called _______ which are chemically bonded to each other to create very large molecules called _______ 

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2

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Draggable item		Corresponding Item

What element is the most important building block of biological molecules?  _______ 

What element is the most important building block of biological molecules?  _______ 

What element has atoms that can make 4 single, 2 double, 1 triple & 1 single or 2 double & 2 single bonds with other atoms?  _______ 

Which of the following is an example of a hydrocarbon?

What are hydrocarbons like methane, ethane & propane used for by humans?

As food 

To build strong structures

to burn to release energy that does work

as fertilizer for plants

Many biological molecules are made of small, simple molecules called _______ which are chemically bonded to each other to create very large molecules called _______ 

Select all the monosaccharides (more than one answer):

glucose

fructose

sucrose

galactose

What are the main functions of carbohydrates in living things? (more than one answer)

as a source of energy

to act as chemical signals

to build most of the tissues and organs 

to build some structures like plant cell walls and exoskeletons of insects

A ____________________ is a long chain of sugar molecules, chemically linked together.

disaccharide

polysaccharide

protosaccharide

monosaccharide

Select all the polysaccharides (more than one answer may apply):

Draggable item		Corresponding Item
Chitin		used in the cell wall of plants to give structural support
Cellulose		made by plants to store energy
Starch		made by animal cells to store short term energy
Glycogen		forms the major component of the exoskeleton of insects

Which of the following is an example of a hydrocarbon?

What are hydrocarbons like methane, ethane & propane used for by humans?

As food 

To build strong structures

to burn to release energy that does work

as fertilizer for plants

Select all the monosaccharides (more than one answer):

glucose

fructose

sucrose

galactose

What are the main functions of carbohydrates in living things? (more than one answer)

as a source of energy

to act as chemical signals

to build most of the tissues and organs 

to build some structures like plant cell walls and exoskeletons of insects

A ____________________ is a long chain of sugar molecules, chemically linked together.

disaccharide

polysaccharide

protosaccharide

monosaccharide

Select all the polysaccharides (more than one answer may apply):

DNA

chitin

glucose

glycogen

starch

carbon

cellulose

sucrose

Chitin

used in the cell wall of plants to give structural support

Cellulose

made by plants to store energy

Starch

made by animal cells to store short term energy

Glycogen

forms the major component of the exoskeleton of insects