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In the Penny Experiment students tested the cohesion of water molecules placed on a penny which was coated in various solutions. The independent variable in this experiment was
polysaccharides
surface tension; cohesion; nonpolar
nucleic acids
olive oil, fish oil
phospholipids
a sugar, a nitrogen base and a phosphate group.
the number of water drops.
the solution.
Which of the following makes up the bilayer in cell membranes?
polysaccharides
surface tension; cohesion; nonpolar
nucleic acids
olive oil, fish oil
phospholipids
a sugar, a nitrogen base and a phosphate group.
the number of water drops.
the solution.
In the Penny Experiment students tested the cohesion of water molecules placed on a penny which was coated in various solutions. The dependent variable in this experiment was
polysaccharides
surface tension; cohesion; nonpolar
nucleic acids
olive oil, fish oil
phospholipids
a sugar, a nitrogen base and a phosphate group.
the number of water drops.
the solution.
DNA and RNA are made up of nucleotides, which contain
polysaccharides
surface tension; cohesion; nonpolar
nucleic acids
olive oil, fish oil
phospholipids
a sugar, a nitrogen base and a phosphate group.
the number of water drops.
the solution.
Which of the following are unsaturated fatty acids?
polysaccharides
surface tension; cohesion; nonpolar
nucleic acids
olive oil, fish oil
phospholipids
a sugar, a nitrogen base and a phosphate group.
the number of water drops.
the solution.
In the Penny Experiment the soapy penny had weaker ______________ because the ______________ between the water molecules was reduced by the ____________ soap which broke the hydrogen bonds.
polysaccharides
surface tension; cohesion; nonpolar
nucleic acids
olive oil, fish oil
phospholipids
a sugar, a nitrogen base and a phosphate group.
the number of water drops.
the solution.
Which of the following makes up cellulose in plants?
polysaccharides
surface tension; cohesion; nonpolar
nucleic acids
olive oil, fish oil
phospholipids
a sugar, a nitrogen base and a phosphate group.
the number of water drops.
the solution.
Which category of organic compounds contains the template for genetically acquired traits?
polysaccharides
surface tension; cohesion; nonpolar
nucleic acids
olive oil, fish oil
phospholipids
a sugar, a nitrogen base and a phosphate group.
the number of water drops.
the solution.
Check it!