questions

A. a hyperbolic binding curve
B. a sigmodial binding curve
C. both ( and (
D. a linear Scatchard Plot
A. only be found in either the unliganded form or the fully liganded form
B. show a Hill coefficient (nH) of 0.0
C. both ( and (
D. show a Hill coefficient (nH) of n
A. decreases the binding affinity
B. increases the binding affinity
C. both ( and (
D. stabilizes the R state of the protein
A. it is displaced from the heme by movement of the proximal histidine
B. it is displaced from the heme by oxygen
C. BPG binds to the R state with the same affinity as the T state
D. its binding pocket becomes too small to accommodate BPG
A. for maintaining Fe in the Fe2 state
B. only in humans
C. to maximize oxygen delivery to the tissues
D. to minimize oxygen delivery to the tissues
A. extensive protein conformational change
B. 100-fold higher affinity for the last O2 bound than for the first
C. 100-fold lower affinity for the last O2 bound than for the first
D. both ( and (
A. increasing [H ]
B. decreasing Hb affinity for O2
C. increasing [H ] and decreasing Hb affinity for O2
D. increasing Hb affinity for O2
A. movement of the proximal histidine towards the heme
B. binding of oxygen to the heme
C. reorganization of protein-protein contacts between the individual subunits
D. movement of the F-helix, which contains the proximal His
A. 1.0 and 2.8
B. 2.8 and 1.0
C. 4.5 and 1.2
D. 1.2 and 4.5
A. 2
B. 1
C. none of the above
D. not defined
A. tryptophan
B. lysine
C. none of these
D. valine
A. either acetyl CoA or acetoacetyl CoA
B. keto-sugars
C. none of the above
D. pyruvate or citric acid cycle intermediates
A. either acetyl CoA or acetoacetyl CoA
B. keto-sugars
C. multiple intermediates including pyruvate or citric acid cycle intermediates and acetyl CoA or acetoacetyl CoA
D. pyruvate or citric acid cycle intermediates
A. phenylpyruvate
B. phenylalanine
C. isoleucine
D. tyrosine
A. phenylalanine to isoleucine
B. phenylalanine to tyrosine
C. phenylalanine to lysine
D. phenol into ketones
A. Fat containing food
B. Glycine containing foods
C. Aspartame
D. Glucose
A. phenylalanine to isoleucine
B. phenylalanine to phenylpyruvate
C. tyrosine to phenylalanine
D. phenylpyruvate to phenylalanine
A. aspartate hexanoic acid = glutamate oxaloacetate
B. glutamate = hexanoic acid NH3
C. glutamate = ?-ketoglutarate NH3
D. aspartate ? ketoglutarate = glutamate oxaloacetate
A. aspartate ?-ketoglutarate = glutamate oxaloacetate
B. glutamate = hexanoic acid NH3
C. aspartate hexanoic acid = glutamate Oxaloacetate
D. glutamate = ?-ketoglutarate NH3
A. glucogenic amino acid
B. glucogenic amino acid
C. keto-gluco amino acid
D. ketogenic amino acid