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Macromolecules- Biology Quiz Review
Terms in this set (42)
What does the word macromolecules mean?
Many of the organic compounds in living cells are so large that they are known as _________________.
What is the process called by which macromolecules are formed?
What the smaller units called that join together to form polymers?
True or False Monomers can be identical but can also be different.
___________ sort the macromolecules found in living things into groups based on their ___________ ______________.
Biochemists; chemical composition
What are the four main groups of macromolecules found in living things?
_____________ are compounds made up of carbon, hydrogen, and oxygen atoms. Ratio of 1:2:1
What kind of macromolecule does living things use as their main source of energy?
What are single sugar molecules known as?
What the large macromolecules formed from monosaccharides known as?
What is the polysaccharide produced by plants called?
_________ are made mostly from carbon and hydrogen atoms.
What are some common categories of lipids?
__________ can be used to store energy.
True or False Steroids are lipids.
If the lipid has a single bond, it is __________.
If the lipid has at least one carbon double bond, it is ___________.
It the lipid contains more than one double bond, it is ________________________.
_____________ ___________ are macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus.
Nucleic acids are polymers assembled from individual monomers known as _________________.
______________ consist of three parts: 5-carbon sugar, a phosphate group, and a nitrogenous base.
Individual nucleotides can be joined by __________ bonds to form a polynucleotide, or nucleic acid.
______________ __________ store and transmit hereditary, or genetic, information.
What the two kinds of nucleic acids?
_____________ are macromolecules that contain nitrogen as well as carbon, hydrogen, and oxygen.
Proteins are polymers of molecules called __________ ___________.
___________ _________ are compounds with an amino group on one end and a carboxyl group on the other end.
Peptide bonds are __________.
Peptide bonds link amino acids together to form a ________________.
A ____________ is a functional molecule built from one or more polypeptides.
What are two things that some proteins can control?
The rate of reactions
Regulate cell processes
More than ___ different amino acids are found in nature.
What is considered one of the most diverse macromolecules?
What is the reason that amino acids differ from each other?
A side chain called the R-group
Proteins have __________ levels of structure.
What is the proteins primary structure?
The sequence of amino acids
What is the secondary structure of proteins?
The folding or coiling of the polypeptide chain
What is the tertiary structure of proteins?
The complete three-dimensional arrangement of a polypeptide chain.
Proteins with more than one chain are said to have a ____________ ___________ of ___________.
Fourth level ; structure
____________ is a protein found in red blood cells the helps to transport oxygen in the bloodstream.
Ionic/covalent bonds, van der Waals forces, and hydrogen are forces that help the protein to keep its _____________.
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