For genotype: repP¯ lacP lacP* lacO* lacZ* lacY Select the best description of permease activity in the following environmental conditions. Lactose Present; Glucose Present 1. High 2. Basal Lactose Present; Glucose Absent 3. None Lactose Absent; Glucose Absent 4. Lower than basal B) For genotype: repP" lacP lacP* lacO* lacZ* lacY Select the best description of beta-galactosidase activity in the following environmental conditions. Lactose Absent; Glucose Absent 1. High 2. Basal Lactose Present; Glucose Absent 3. None Lactose Present; Glucose Present 4. Lower than basal > >

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Lac Operon 9
For the following genotypes indicate whether beta-galactosidase and permease are
produced under the listed environmental conditions.
Use the following categories:
High: if the normal gene product is produced at a high level
Basal: if the normal gene product is produced at a basal level
Lower than basal: if the normal gene product is produced at levels lower than basal
(even extremely low), but higher than no product
None: if the normal gene product is not produced, or is produced at an extremely
low level.
A)
For genotype: repP¯ lacP lacPt lacO* lacZ* lacY
Select the best description of permease activity in the following environmental
conditions.
Lactose Present; Glucose
1. High
Present
2. Basal
Lactose Present; Glucose
Absent
3. None
Lactose Absent; Glucose
Absent
4. Lower than basal
B)
For genotype: repP" lacÞ lacPt lacO* lacZ* lacY
Select the best description of beta-galactosidase activity in the following
environmental conditions.
Lactose Absent; Glucose
Absent
1. High
2. Basal
Lactose Present; Glucose
Absent
3. None
Lactose Present; Glucose
Present
4. Lower than basal
Transcribed Image Text:Lac Operon 9 For the following genotypes indicate whether beta-galactosidase and permease are produced under the listed environmental conditions. Use the following categories: High: if the normal gene product is produced at a high level Basal: if the normal gene product is produced at a basal level Lower than basal: if the normal gene product is produced at levels lower than basal (even extremely low), but higher than no product None: if the normal gene product is not produced, or is produced at an extremely low level. A) For genotype: repP¯ lacP lacPt lacO* lacZ* lacY Select the best description of permease activity in the following environmental conditions. Lactose Present; Glucose 1. High Present 2. Basal Lactose Present; Glucose Absent 3. None Lactose Absent; Glucose Absent 4. Lower than basal B) For genotype: repP" lacÞ lacPt lacO* lacZ* lacY Select the best description of beta-galactosidase activity in the following environmental conditions. Lactose Absent; Glucose Absent 1. High 2. Basal Lactose Present; Glucose Absent 3. None Lactose Present; Glucose Present 4. Lower than basal
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