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Chapter 5 Biology
Terms in this set (20)
Cellulose is a _____ made of many _____.
polymer ... glucose molecules
In a hydrolysis reaction, ______, and in this process water is _______.
a monomer breaks up to form polymers... produce
The four main categories of macromolecules in a cell are
proteins, nucleic acids, carbohydrates, and lipids
The characteristic that all lipids have in common is that
None of them dissolve in water
the sugars in cellulose bond together differently than in starch
In some places a protein molecule may coil or fold back on itself. This is called______ and the coils or folds are held in place by _______.
Secondary structure, hydrogen bonds
In hydrophobic amino acid R groups would be found where in a protein?
Only at one end of a protein chain
The overall three-dimensional shape of a polypeptide is called the
How many different kinds of proteins molecules are there in a typical cell?
The building blocks of nucleic acid molecules are called
DNA and RNA
Which of the following do nucleic acids and proteins have in common?
they are large polymers
Which of the following would probably not be affected when a protein is denatured?
A glucose molecule is to starch as
a nucleotide is to a nucleic acid
Palm oil and coconut oil are more like animal fats than are other plant oils. Because they_____ then other plant oils, they can contribute to cardiovascular disease.
contain fewer double bonds
A shortage of phosphorus in the soil would make it especially difficult for a plant to manufacture.
How does DNA differ from RNA?
DNA is larger, One of their nitrogen b tases is different, they contain of two strands in a double helix
Which of the following ranks the molecules in the correct order by size?
Protein, sucrose, glucose, and water
On the basis of the principle of complementary base pairing, you would expect the percentage of______ to be equal to the percentage of _______.
Lipids differ from other large biological molecules in that they
are not truly polymers
A flower's color is determined by the genetic instructions in its
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