Shared Flashcard Set

Details

Chapter 3: Questions
Chapter 3 (Protein Structure and Function) of Biological Sciences Fourth Edition
10
Biology
Undergraduate 1
09/22/2011

Additional Biology Flashcards

 


 

Cards

Term
Proteins are critical in living organisms. What is one example of the many important functions of proteins in organisms?
Definition
They impart mobility to cells and entire organisms?
Term
What class of macromolecules is made up of amino acids?
Definition
proteins
Term
Monomers join to form polymers under what chemical conditions?
Definition
Condensation
Term
How do Prions cause disease?
Definition
They cause changes in the shape of normal protein molecules that lead to disintegration of mammalian brains.
Term
From the list below, choose the most likely enzyme to be present in a bacterium found in a hot water vent in an acidic current.
Definition
Enzyme B-functions best at a pH of 3 and a temperature of 90ÂșC
Term
Which statement best describes the R-groups or side chains of amino acids?
Definition
The nature of side chains determines how soluble each amino acid is in water.
Term
The _______ structure of a protein is the sequence of amino acids.
Definition
Primary
Term
At which step of chemical evolution did life become possible?
Definition
Evolution of an information-containing, self-replicating molecule
Term
Stanley Miller set up a laboratory simulation of conditions suspected of having been prevalent on early Earth in order to ascertain whether chemical evolution was possible. Based on his experiments, what was the energy source identified as most likely responsible for the formation of complex, carbon-containing compounds from simple molecules present on early Earth?
Definition
electricity
Term
The lowering of activation energy during the transition step of enzyme catalysis depends on _____ at the enzymes active site.
Definition
interactions with R-groups
Supporting users have an ad free experience!