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WorksheetsBiochem for BB
Total questions: 18
Worksheet time: 18mins
Which does a polymer most closely resemble?
circle
link in a chain
chain
intersection
You are analyzing a compound in a laboratory. You find that it is made up of carbon, hydrogen, and oxygen in a ratio of two hydrogen atoms for each carbon atom. How will you classify the compound?
carbohydrate
lipid
protein
nucleic acid
Different organisms store glucose in various forms. You discover a new species. Upon chemical analysis, you find that it is comprised of significant amounts of glycogen. To which organism might this new species be related?
fern
potato
dog
bacteria
Which is true in a covalent bond?
The bond forms between ions.
The bond forms when electrons are shared.
The bond holds atoms weakly.
The bond is caused by van der Waals forces.
In the following equation, what are the products of the reaction?
C6H12O6 + 6O2 --> 6CO2 +6H2O
C6H12O6 and 6O
6O2 and 6CO2
C6H12O6 and 6H2O
6CO2 and 6H2O
provides energy for organism
carbohydrate
lipid
nucleic acid
protein
communicates genetic information
carbohydrate
lipid
nucleic acid
protein
does not dissolve in water
carbohydrate
lipid
nucleic acid
protein
Which macromolecules stores energy for an organism?
carbohydrate
lipid
nucleic acid
protein
The diagram below shows two amino acids. What would biochemists call the result of chaining many of these molecule
carbohydrate
lipid
nucleic acid
protein
Ions form when _____________
an atom gains neutrons.
an atom loses neutrons.
one atom gives up a proton to another atom.
one atom gives up an electron to another atom.
Which macromolecule is involved in nearly every function in the human body?
carbohydrate
nucleotide
lipid
protein
Which defines an atom?
building block of energy
building block of matter
charged particle
smallest particle
Which is NOT true of lipids?
They are commonly called fats and oils.
They are hydrophobic.
They are good for energy storage.
They are polar.
bond that forms when electrons are shared
carbon-14
covalent
ionic
bond that forms between charged ions
carbon-14
covalent
ionic
Which class of macromolecules store and communicate genetic information?
carbohydrates
lipids
proteins
nucleic acids
What makes a water molecule polar?
Water has the ability to be frozen.
The pH of pure water varies with the temperature.
A water molecule has a slight charge on each end.
A water molecule is made up of three atoms.
