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At pH values=pK±0.1
At pH values = pK ± 1
At pH values = pK ± 2
Only at body temperatures
None of the above
Hemoglobin
Immunoglobulin
Keratin
Myoglobin
None of the above
Dimeric proteins
Extracellular proteins
Hydrophobic proteins
Intracellular proteins
All of the above
Faulty binding of the heme groups
Incorrect secondary structure
Reduced affinity for oxygen
Substitution of a single amino acid
None of the above
Four/decreases
Four/increases
One/decreases
One/increases
None of the above
Are found at the antigen-binding sites
Reside in the VL and VH regions of the IgG molecule
Reside in the CL and CH regions of the IgG molecule
A and B are correct
A and C are correct
Consist of four subunits
Are glycoproteins
Have inter- and intra-chain disulfide crosslinks
All three choices are correct
None of the choices are correct
Are coupled during the formation of "gapped DNA"
Degrade DNA in a 3' --> 5' direction
Degrade DNA in a 5' --> 3' direction
Occur at two different active sites
None of the above
Are joined together by DNA ligase
Are removed by helicase + ATP
Are removed by Pol I "nick translation
Result in Okazaki fragments on the leading strand
None of the above
Between the subunits; on the large subunit
Between the subunits; on the small subunit
To the large subunit; on the small subunit
To the small subunit; on the large subunit
None of the above
Protonated imidazole has twice the number of protons
The chemical shift of His differs from that of His+
The pKa is near neutrality
Unprotonated imidazole is invisible in the spectrum
None of the above
1, 100, 1
1, 198, 1
1, 200, 1
2, 198, 2
None of the above
Are not accommodated by the fluid mosaic model
Are only of peripheral interest to membrane biologists
Can be dissociated from membranes relatively easily, e.g., high salt treatment
Can undergo transverse membrane motion, i.e. "flip-flop"
None of the above
Alcohol dehydrogenase
Glyceraldehyde-3-phosphate dehydrogenase
Lactate dehydrogenase
Pyruvate dehydrogenase
All of the above
1/ 16%
1 /33%
2 /33%
2 /50%
None of the above
Hydrolysis; hydrolysis
Hydrolysis; phosphorolysis
Hydrolysis; phosphorylation
Phosphorolysis; hydrolysis
None of the above
Allosteric - covalent - genetic
Allosteric - genetic - covalent
Covalent - genetic - allosteric
Genetic - allosteric - covalent
None of the above
A [H+] gradient
A membrane potential
An intact inner mitochondrial membrane
All of the above
None of the above
Hexokinase
Phosphofructokinase
Phosphoglycerate kinase
Pyruvate kinase
None of the above
All components will be oxidized
Downstream of the blockage will be reduced
Upstream of the blockage will be oxidized
Upstream of the blockage will be reduced
None of the above
2 Cyt c (Fe2+); [FADH2]
[FAD]; [FADH2]
2 Cyt c (Fe2+); 2 Cyt c (Fe3+)
[FAD]; 2 Cyt c (Fe3+)
None of the above
Acetyl carnitine
Acetyl phosphate
Citrate
Malate
All of the above