1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lisov135 [29]
3 years ago
5

What happens to lac when E. coli is present

Biology
1 answer:
Kobotan [32]3 years ago
6 0

It binds lactose which changes its conformation so that is no longer binds to DNA. This allows the lactose operon to be transcribed.

You might be interested in
Clotting is necessary to mend breaks in circulatory vessels and to prevent extreme losses of blood, but it can also have detrime
Anestetic [448]

Answer:

Enhance: calcium ions, fibrinogen, serum, thrombin, tissue factor.

Inhibit: heparin, thrombin, coumadin, vitamin K8, PF3, aspirin.

Explanation:

Hope it helps.

3 0
3 years ago
A scientist was observing chondrocytes under a microscope. Which type of connective tissue was he observing?
harkovskaia [24]
The answer is letter B.) Cartilage

Chondrocytes are cells found primarily in the connective tissue, cartilage. The system of cartilage consisting of large amounts of chondrocytes is called the cartilage matrix.

<span>Thank you for posting your question. I hope you found you were after. Please feel free to ask me another.</span>

3 0
3 years ago
Read 2 more answers
Where does respiration take place?​
nordsb [41]

Answer: respiratory system

Explanation:

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide

4 0
2 years ago
Read 2 more answers
By which of the following mechanisms can a cell transport a substance from a lower to a higher concentration?
Vesnalui [34]
D) active transport.
5 0
2 years ago
Large layers of cross-bedded sand can be indicative of a __________ environment.
k0ka [10]
Layers of cross-bedded sand can be indicative of a DESERT environment wind is responsible for the formation of these sedimentary structures. Sand dunes preserved in rocks can be quite large. These structures form as a result of the migration of dunes due to the action of the wind. Dunes are not often preserved but a few can be observed in thick sandstone units. 
6 0
3 years ago
Other questions:
  • Progression through the cell cycle requires a cyclin to bind to a cdk because __________.
    10·2 answers
  • Suppose the producers in a certain ecosystem are dying out because there is a lack of nutrients in the water and soil. What is t
    10·1 answer
  • Moles are rodents very similar to mice. They typically live underground, spending most of their lives below the earth's surface.
    11·2 answers
  • HELP!<br> This is hard to do
    6·2 answers
  • Good mental health is the ability to __________.A.express feelings appropriatelyB.allow daily situations to cause excessive anxi
    5·2 answers
  • Biotic factors are the living aspects of an ecosystem (e.g.
    11·1 answer
  • How does pH relate to ocean acidification? <br><br><br>How does CO2 and pH in the ocean relate?
    15·1 answer
  • Which statement about energy is TRUE?
    7·2 answers
  • Why do animals have adaptations?
    10·1 answer
  • Explain in short about the importance of herbs​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!