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What is the key role (function) of carbohydrates?
energy storage
immunity, muscles, structure for tissues, cell metabolism
instant energy for cells and body functions
genetic information (heredity)
How how carbohydrates and lipids similar?
both contain C, H, O, N, P and store energy
both contain C, H, O, N and give energy
both contain C, H, O, N, S and store energy
both contain C, H, O and give energy
The monomer for carbohydrates is a monosaccharide.
True
False
Lipids key role (function ) is:
immunity, chemical reactions in the body, cell metabolism, contract muscles, regulate other proteins
store energy
instant energy for cells/body
heredity/genetic information
What elements (monomers) make up a protein?
C, H, O
C, H, O, N
C, H, O, N, P
What is the smallest unit of a macromolecule?
micromolecule
glucose
monomer
polymer
What elements (monomers) make up nucleic acids?
C, H, O, N, (S)
Carbohydrates are necessary for chemical reactions in our body.
true
false
Sugars (saccharides) are not carbohydrates.
Match the protein with the correct picture.
What is the key role (function) of a protein?
instant energy for the cell/body
hormones, buoyancy, forms cell membranes, insulation, energy storage
growth, repair, and energy, immune system, enzymes
store and transmit genetic information/heredity
Identify the monosaccharide:
Identify the lipid:
Identify the nucleic acid:
Identify the key role of nucleic acids:
instant energy
hormone, buoyancy, forms cell membranes, insulation, energy storage
transport hemoglobin, immunity,chemical reactions, regulate proteins, tissue structure
store and transmit heredity, genetic information
Carbohydrates have C, H, O. What is the ratio of elements?
2:1:2
1:3:1
1:2:1
3:1:3
The monomer for a lipid is:
monosaccharide
fatty acid
nucleotide
amino acid
The monomer for a nucleic acid is:
The monomer for a protein is:
Which macromolecule contains C, H, O, and has hydrogen and oxygen in a 2:1 ratio?
carbs
lipids
proteins
nucleic acid
20 questions 
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