24 Questions
What are lipids broadly defined as?
Hydrophobic molecules with an aliphatic chain
What is the main component of cell membranes?
Phospholipids
What are polysaccharides composed of?
Monosaccharide units bound together by glycosidic bonds
What does amphipathic mean in the context of cell membranes?
Having both hydrophilic and hydrophobic parts
What is the main component of insect exoskeleton?
Chitin
What is the overall shape of a polypeptide resulting from interactions between the various amino acids called?
Tertiary structure
What are the monomers of nucleic acids called?
Nucleotides
What is the composition of DNA?
Cytosine, Thymine, Adenine, Guanine
Which process uses DNA as a template to produce a pre-mRNA (transcript)?
Transcription
What is the result of a single amino acid substitution in hemoglobin?
Sickle-cell disease
What is the covalent bond between amino acids called?
Peptide bond
What is the overall structure that results from the aggregation of more than one polypeptide subunit called?
Quaternary structure
What is the main component of insect exoskeleton?
Polysaccharides
What are lipids broadly defined as?
Molecules soluble in nonpolar solvents
What does amphipathic mean in the context of cell membranes?
Having both hydrophilic and hydrophobic parts
What is the composition of DNA?
Polynucleotides made up of nucleotide monomers
What is the composition of chitin?
Long-chain polymer of N-acetylglucosamine
What is the main difference between DNA and RNA?
DNA contains thymine, while RNA contains uracil
What is the overall structure that results from the aggregation of more than one polypeptide subunits called?
Quaternary structure
What is the result of a single amino acid substitution in hemoglobin?
It causes sickle-cell disease
What is the main component of cell walls of green plants?
Cellulose
What is the primary structure of a protein?
The sequence of amino acids
What are proteins encoded in?
DNA
What is the monomer of nucleic acids called?
Nucleotide
Test your knowledge of macromolecules in this quiz based on the lecture by Prof. Nicanor González. Questions cover lipids, proteins, polysaccharides, and nucleic acids such as DNA and RNA. Prepare to delve into the world of high molecular weight molecules and long polymer chains of sugars.
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