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
Lelu [443]
3 years ago
8

An operon is controlled by a repressor. When the repressor binds to a small molecule, it binds to DNA near the operon. The opero

n is constitutively expressed if a mutation prevents the repressor from binding the small molecule. This is an example of a ______________ operon.
Biology
1 answer:
larisa [96]3 years ago
6 0

Answer:

Negatively repressible.

Explanation:

A control which occurs through repressor is known as negative control which may be inducible or repressible.

When a small molecule named as allolactose binds this repressor it leads to allosteric repulsion which removes repressor from the operator as a result of which RNA polymerase can start transcription. Allolactose is therefore known as inducer because it induces lac operon expression.

But here, the operator is active (induced) already so there is no need to induce the operon which means that it can only be repressed so that transcription could stop. So the answer is negatively repressible operon.

You might be interested in
What molecules occur in the greatest number in the bacterial cell?
djyliett [7]
The cytoplasm of a bacterial cell contains the deoxyribonucleic acid (DNA) molecules that make up the bacterial genome (or nucleoid), the transcriptional machinery that copies DNA into ribonucleic acid (RNA), and the ribosomes that translate the messenger RNA information into protein sequence.
4 0
3 years ago
Why did classical astronomers conclude the heavens were made up of sphere?
Natalija [7]
The classical astronomers concluded that heavens were made up of a sphere, because heavens were thought to be perfect and spheres (circles) are a perfect shape. It was Plato who argued that geometrical figures were spheres and everyone agreed to him. It was also believed that the perfect motion of spheres was a uniform circular rotation. 
8 0
3 years ago
Which molecule found in the cell membrane is used to transport glucose into the cell
dybincka [34]

Answer:

Active transport proteins use adenosine triphosphate (ATP), the cell's energy storage molecule, to pump glucose into the cell, either with or against the concentration gradient.

Explanation:

Hope this helps

7 0
2 years ago
Which type of biologist is least likely to collect data by doing controlled experiments
Lunna [17]
Evolutionary biologist hope this helps 
7 0
3 years ago
A sheep with human genes spliced into it to produce human antibodies is an example of a(n) ________________________.
sladkih [1.3K]
I believe the correct answer is all of the above.
7 0
3 years ago
Read 2 more answers
Other questions:
  • The skin of an animal should be examined for
    8·1 answer
  • Assume an animal lives in a mudflat that experiences low oxygen and high carbon dioxide levels twice a day during low tides. how
    8·1 answer
  • if scientists are able to know that a specific bacterium is responsible for causing a deadly infection,why might it be important
    14·1 answer
  • How does the structure of the inner ear allow for the perception of pitch? Of sound intensity?
    13·1 answer
  • Which statement best describes the cell after 20 minutes
    11·1 answer
  • A wet-mount slide of red onion cells is studied using a compound light microscope.
    12·2 answers
  • What is the traditional order of the stages in the family life cycle? independence, marriage, parenting, launching, aging indepe
    7·1 answer
  • As an analogy to gene expression in eukaryotes, let's compare it to the process of cooking recipes from a library of cookbooks.
    10·1 answer
  • WILL MARK BRAINLIEST!!<br><br>write in your own words it doesn't need to be long!!
    13·1 answer
  • What is the main function of the reproductive system?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!