Podcast
Questions and Answers
What is one of the defining characteristics of most macromolecules?
What is one of the defining characteristics of most macromolecules?
- They require activation by carrier molecules
- They are made up of carbohydrates and proteins
- They are composed of lipids, proteins, and nucleic acids
- They are assembled from smaller units called monomers (correct)
What type of reaction requires energy from ATP to activate the monomers?
What type of reaction requires energy from ATP to activate the monomers?
- Polymerization reaction
- Dehydration reaction
- Condensation reaction (correct)
- Hydrolysis reaction
What is the role of lysosomes in the cell?
What is the role of lysosomes in the cell?
- Building macromolecules from smaller monomers
- Activating monomers with carrier molecules
- Catalyzing condensation reactions
- Breaking down macromolecules into simple monomers (correct)
What is the composition of mitochondria?
What is the composition of mitochondria?
How are monomers usually assembled into polymers?
How are monomers usually assembled into polymers?
What is the structural unit of life according to the Cell Theory?
What is the structural unit of life according to the Cell Theory?
Which atom is mentioned as the fundamental atom in the text?
Which atom is mentioned as the fundamental atom in the text?
What is the primary composition of microtubules and elements of the cytoskeleton?
What is the primary composition of microtubules and elements of the cytoskeleton?
What can carbon easily bond to in biological molecules according to the text?
What can carbon easily bond to in biological molecules according to the text?
Why is silicon mentioned as less stable and way too reactive compared to carbon?
Why is silicon mentioned as less stable and way too reactive compared to carbon?
What type of reaction releases water in the process of assembling monomers into polymers?
What type of reaction releases water in the process of assembling monomers into polymers?
Which organelle acts like a recycling center by breaking down macromolecules into simple monomers?
Which organelle acts like a recycling center by breaking down macromolecules into simple monomers?
Which molecules typically require condensation reactions to assemble them into polymers?
Which molecules typically require condensation reactions to assemble them into polymers?
What is the role of ATP in the activation of monomers during polymer assembly?
What is the role of ATP in the activation of monomers during polymer assembly?
Which of the following is NOT considered to be one of the four classes of macromolecules?
Which of the following is NOT considered to be one of the four classes of macromolecules?
Most macromolecules are polymers made up of individual units called monomers.
Most macromolecules are polymers made up of individual units called monomers.
What type of bond will Cysteine form with another Cysteine?
What type of bond will Cysteine form with another Cysteine?
In protein structure, which level refers to the entire protein's overall 3D shape?
In protein structure, which level refers to the entire protein's overall 3D shape?
What is the role of molecular chaperonins in protein folding?
What is the role of molecular chaperonins in protein folding?
What is the primary function of fibrous proteins?
What is the primary function of fibrous proteins?
How are two chunks of amino acid chains held together in Beta-sheet folding?
How are two chunks of amino acid chains held together in Beta-sheet folding?
What determines the functionality of a protein according to the text?
What determines the functionality of a protein according to the text?
What causes the new protein to fold incorrectly according to the text?
What causes the new protein to fold incorrectly according to the text?
What did Christian Anfinsen conclude about protein folding based on his experiment with ribonuclease?
What did Christian Anfinsen conclude about protein folding based on his experiment with ribonuclease?
What is the primary function of proteins in the cell?
What is the primary function of proteins in the cell?
What is the general structure of amino acids?
What is the general structure of amino acids?
How are nonpolar amino acids with hydrophobic side chains known to associate with each other?
How are nonpolar amino acids with hydrophobic side chains known to associate with each other?
What do polar, uncharged amino acids do at cellular pH?
What do polar, uncharged amino acids do at cellular pH?
What is the classification of amino acids based on?
What is the classification of amino acids based on?
Monomers assemble via (blank) reactions.
Monomers assemble via (blank) reactions.
Which of the following is a product of a condensation reaction?
Which of the following is a product of a condensation reaction?
Amino acid monomers are linked via (blank) reactions to form (blank) bonds between units.
Amino acid monomers are linked via (blank) reactions to form (blank) bonds between units.
An alpha helix, which is secured via hydrogen bonding, is an example of secondary structure.
An alpha helix, which is secured via hydrogen bonding, is an example of secondary structure.
An amino acid with a hydrophobic R-group would likely be displayed on the (blank) of a protein once it is folded into its final 3D shape.
An amino acid with a hydrophobic R-group would likely be displayed on the (blank) of a protein once it is folded into its final 3D shape.
All proteins exhibit quaternary level of folding.
All proteins exhibit quaternary level of folding.
The order of nucleotides in DNA and RNA does not affect the ability to store and transmit information for the cell.
The order of nucleotides in DNA and RNA does not affect the ability to store and transmit information for the cell.
Each nucleotide is composed of a nitrogenous base, a five-carbon sugar, and a phosphate group.
Each nucleotide is composed of a nitrogenous base, a five-carbon sugar, and a phosphate group.
What is the primary function of nucleic acids in the cell?
What is the primary function of nucleic acids in the cell?
What is the composition of a nucleotide?
What is the composition of a nucleotide?
Where does DNA reside in the cell?
Where does DNA reside in the cell?
What gives DNA and RNA the ability to store and transmit information for the cell?
What gives DNA and RNA the ability to store and transmit information for the cell?
What is the monomer for DNA?
What is the monomer for DNA?
What is a similarity between RNA and protein molecules?
What is a similarity between RNA and protein molecules?
An error in the nucleotide sequence of DNA could lead to protein misfolding and possibly a decrease in protein functionality.
An error in the nucleotide sequence of DNA could lead to protein misfolding and possibly a decrease in protein functionality.
What molar ratio of carbon, hydrogen, and oxygen is usually found in carbohydrates?
What molar ratio of carbon, hydrogen, and oxygen is usually found in carbohydrates?
Which suffix in the name of a substance indicates that it is likely a carbohydrate?
Which suffix in the name of a substance indicates that it is likely a carbohydrate?
What type of bond is formed between monosaccharides in a disaccharide?
What type of bond is formed between monosaccharides in a disaccharide?
Where are oligosaccharides typically found when attached to a lipid or a protein?
Where are oligosaccharides typically found when attached to a lipid or a protein?
What is the primary function of Glycogen in animals and humans?
What is the primary function of Glycogen in animals and humans?
What are the main polysaccharides?
What are the main polysaccharides?
Which of the following is true regarding beta-pleated sheets?
Which of the following is true regarding beta-pleated sheets?
What is the monomer in a molecule of sucrose?
What is the monomer in a molecule of sucrose?
All nucleotides have the same nitrogenous base.
All nucleotides have the same nitrogenous base.
Which of the following is a structural polysaccharide produced by animal cells?
Which of the following is a structural polysaccharide produced by animal cells?
Which type of fatty acid has a hydrocarbon chain that extends on the SAME side of the double bonds?
Which type of fatty acid has a hydrocarbon chain that extends on the SAME side of the double bonds?
What is the structural feature of phosphoglycerides that distinguishes them from triglycerides?
What is the structural feature of phosphoglycerides that distinguishes them from triglycerides?
Which lipid molecule is made from a four-ringed hydrocarbon skeleton?
Which lipid molecule is made from a four-ringed hydrocarbon skeleton?
What is the amphipathic characteristic of phospholipids responsible for?
What is the amphipathic characteristic of phospholipids responsible for?
Which type of fat is solid at room temperature?
Which type of fat is solid at room temperature?
