Chapter 5: Proteins Flashcards
Which do not contain a structural protein?
- ovalbumin
- spider silk
- muscles
- ligaments
- tendons
Ovalbumin
What would first happen to DNA molecules treated with DNAase?
The phosphodiester bonds between deoxyribose sugars would be broken
Defensive proteins are manufactured by the _____ system?
Immune
A hydrophobic R group would be found where in a protein?
On the inside of the folded chain away from water
What maintains the secondary structure of a protein?
Hydrogen bonds between the amino group of one peptide bond and the carboxyl group of another peptide bond
Which level structure do the a helix and the B pleated sheet represent?
Secondary
The tertiary structure of a protein is the…
Unique three dimensional shape of the fully folded polypeptide
In a normal cellular protein where would you expect to find a hydrophobic amino acid like valine?
In the interior of the folded protein away from water or in a transmembrane portion interacting with lipid fatty acid chains
What is the term for a protein molecule that assists proper folding of other proteins?
Chaperonin
Three possible components of a DNA nucleotide:
Deoxyribose, phosphate group, thymine
The flow of genetic information in a cell goes from ____
DNA to RNA to Protein
A primary function of RNA molecules is to:
Function the synthesis of proteins
Best difference between DNA and RNA?
DNA nucleotides contain a different sugar than RNA
The structural level of protein LEAST affected by a disruption in hydrogen bonding is…
Primary
