You are studying the 3-subunit protein shown below, which consists of a 14-kDa subunit bound by a disulfide bond to a 60-kDa subunit that is bound by hydrophobic interactions to a 24-kDa subunit: 14 S-S 60 kDa kDa 24 kDa You perform gel-filtration and SDS-PAGE with and without 2- Mercaptoethanol. Select the most likely outcome of each of the following four experiments: 1. Gel-filtration: [Select ] 2. Gel-filtration with 2-Mercaptoethanol: [Select ] 3. SDS-PAGE: [ Select ] 4. SDS-PAGE with 2-Mercaptoethanol v[ Select ] One band corresponding to a molecular mas Two bands corresponding to 24 kDa and 74 Two bands corresponding to 14 kDa and 84 Three bands corresponding to 14 kDa, 24 kD >

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Chapter1: Chemical Foundations
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You are studying the 3-subunit protein shown below, which consists of a
14-kDa subunit bound by a disulfide bond to a 60-kDa subunit that is
bound by hydrophobic interactions to a 24-kDa subunit:
14
S-S 60 kDa
kDa
24
kDa
You perform gel-filtration and SDS-PAGE with and without 2-
Mercaptoethanol. Select the most likely outcome of each of the
following four experiments:
1. Gel-filtration: [Select ]
2. Gel-filtration with 2-Mercaptoethanol: [ Select ]
3. SDS-PAGE:
[ Select ]
4. SDS-PAGE with 2-Mercaptoethanol v [ Select ]
One band corresponding to a molecular mass of about 100 kDa
Two bands corresponding to 24 kDa and 74 kDa
Two bands corresponding to 14 kDa and 84 kDa
Three bands corresponding to 14 kDa, 24 kDa, and 60 kDa
Transcribed Image Text:You are studying the 3-subunit protein shown below, which consists of a 14-kDa subunit bound by a disulfide bond to a 60-kDa subunit that is bound by hydrophobic interactions to a 24-kDa subunit: 14 S-S 60 kDa kDa 24 kDa You perform gel-filtration and SDS-PAGE with and without 2- Mercaptoethanol. Select the most likely outcome of each of the following four experiments: 1. Gel-filtration: [Select ] 2. Gel-filtration with 2-Mercaptoethanol: [ Select ] 3. SDS-PAGE: [ Select ] 4. SDS-PAGE with 2-Mercaptoethanol v [ Select ] One band corresponding to a molecular mass of about 100 kDa Two bands corresponding to 24 kDa and 74 kDa Two bands corresponding to 14 kDa and 84 kDa Three bands corresponding to 14 kDa, 24 kDa, and 60 kDa
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