This topic contains a solution. Click here to go to the answer

Author Question: Northern blot analysis is performed on mRNA isolated fromE. coliafter growth in a glucose-only ... (Read 69 times)

serike

  • Hero Member
  • *****
  • Posts: 542

Question 1

In E. coli, the cya gene encodes adenylate cyclase. Will cells that are cya be able to grow on medium that contains lactose as the sole carbon source? Why or why not?

Question 2

Northern blot analysis is performed on mRNA isolated from E. coli after growth in a glucose-only medium (lane 1) or a lactose-only medium (lane 2). The blots are hybridized with a probe for a portion of the lacZ sequence. Indicate the expected results for the following bacterial genotypes using dark, light, or no shading to indicate full, low, or no expression, respectively.
a. I+ P+ O+ Z+ Y+
b. I+ P- O+ Z+ Y+
c. I- P+ O+ Z+ Y+
d. I+ P+ OC Z+ Y+
e. I+ P+ O+ Z+ Y+ and a mutation of the CAP binding site preventing CAP-cAMP binding



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by serike on Jan 12, 2022

bitingbit

  • Sr. Member
  • ****
  • Posts: 323
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 60% of students answer this correctly




serike

  • Member
  • Posts: 542
Reply 2 on: Jan 12, 2022
YES! Correct, THANKS for helping me on my review


robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

For a complete list of videos, visit our video library