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WorksheetsCarbon compounds
Total questions: 18
Worksheet time: 2hrs 30mins
How many valence electrons does each carbon atom have?
2
3
4
1
What gives carbon the ability to form chains of almost unlimited length?
carbon can bond to other carbon
carbon makes covalent bonds
carbon has 6 electrons
carbon has isotopes
Large molecules in living cells are known as ___________.
macromolecules
monomers
atoms
elements
Simple building blocks (or groups of atoms) that attach to other groups to form molecule are called ______________-.
atoms
elements
monomers
polymers
When monomers join together they form ____________.
atoms
elements
monomers
polymers
Which groups below form organic compounds found in living things?
Carbohydrates (sugar)
Lipids (fats)
Proteins (structure)
Nucleic acids (DNA)
What are the three elements found in all organic componds .
carbon
hydrogen
oxygen
nitrogen
phosphorus
In carbohydrates, what is the ratio of Carbon to hydrogen to oxygen.
1:2:1
1: 3
1: 4: 2
Which choices below are examples of carbohydrates.
sugar
meat
starch
fat
What is the main function of carbohydrates in living things.
energy
structure
protection
digestion
Which molecules below are sugars? (monosaccharides)
glucose
glycogen
glycerol
galactose
Many sugars bonded together in chains form polysaccharides.
true
false
Which choices below describe lipids.
fats
oils
waxes
muscle
Monomers of lipids are _____________.
amino acids
fatty acids
neucleotides
simple sugars
Monomers of proteins are _____________.
amino acids
fatty acids
neucleotides
simple sugars
Monomers of neuclic acids are _____________.
amino acids
fatty acids
neucleotides
simple sugars
Examples of neuclic acids are DNA and RNA .
true
flase
Which choices below descibe how proteins play important role in living things.
they build muscle and bones
they help regulate reactions (enzymes)
they transport material to and from cells
they help fight diseases (antibodies)
