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
Colt1911 [192]
4 years ago
12

A mutation prevents the lac repressor from recognizing allolactose. In the absence of allolactose, the mutant repressor has the

same affinity for the lac operator sites as a normal repressor. How would you expect this mutant repressor to affect the regulation of the lac operon?
Biology
1 answer:
abruzzese [7]4 years ago
3 0

Answer:

The answer is the  operon would be turned off.

Explanation:

The operon would be turned off in the presence or absence of lactose in the environment.

You might be interested in
Two genes (R or r) and (D or d), each with a dominant and recessive allele, are
Andrej [43]

Answer:

B. DR, Dr, Rd, dr

Explanation:

This question involves two genes. Alleles D and R are dominant over alleles d and r. These two genes obey the law of independent assortment as proposed by Gregor Mendel.

Based on the question, a genotype RrDd will produce the following combination of gametes following the process of meiosis:

DR, Dr, dR, dr

8 0
3 years ago
If there were no laws controling the crab industry ,what would happen to crabs?
rosijanka [135]
Their will be scarcity of crabs
3 0
4 years ago
a. High risk of death following surgery b. Death from starvation when suffering from cancer c. Deterioration of nutrition status
lakkis [162]

The given question is incomplete. The complete question is

What is not a risk of being underweight?

Answer:

Higher risk of developing heart disease .

Explanation:

The individual can be characterized as healthy person, over weight and under weight. The under weight person has low weight as mentioned in the criteria of the body mass index.

The overweight person feels low and has less energy to do any work. They may also suffer from the anemia condition, and have low nutrition in their body. They cannot develop the risk of the heart disease because heart disease is more common in over weight people.

Thus, the correct answer is option (e).

6 0
4 years ago
Which of the following is NOT an external force that acts on rocks in the ROCK CYCLE?
Katen [24]

Wind isn’t an external force that acts in the rock cycle.

3 0
4 years ago
Read 2 more answers
Which of the three graphs shown in figure 17-5 might show a population of birds with members that specialize in different types
melamori03 [73]
Graph C would be the answer.
7 0
4 years ago
Read 2 more answers
Other questions:
  • In multicellular organisms, groups of cells that work together are called: A. cytoplasm. B. organelles. C. nuclei. D. tissues.
    15·2 answers
  • A client who has been prescribed an inhaler points to the spacer and asks, "what is this for?" what is the appropriate nursing r
    8·1 answer
  • A star in a distant galaxy is 97 trillion km from earth.How many years would it take light to get from the star to earth?
    9·1 answer
  • How is the temperature of a solid substance affected when it is melting?
    11·2 answers
  • Which of the following statements is the best explanation of why siblings who are not identical twins are not exactly the same?
    13·1 answer
  • What is the weight, on Earth, of a book with a mass of 1.5 kg? 1.5 N 6.5 N 11.3 N 14.7 N
    11·2 answers
  • Why are there fewer phytoplankton in the mesopelagic zone relative to the epipelagic zone?
    8·2 answers
  • What properties do alcohol and water share?
    5·1 answer
  • Studies indicate that acidification of the ocean by the absorption of carbon dioxide is harmful to virtually all marine life and
    10·1 answer
  • List and describe three methods of nonpoint pollution control.<br> 1.<br> 2.<br> 3.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!