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
Ludmilka [50]
3 years ago
8

Inhibition of transcription by lac repressor involves its binding to the promoter

Biology
2 answers:
viktelen [127]3 years ago
8 0
Answer:
           
                  The correct option is b (false). 

Explanation:
     
                    As is is cleared from the figure that when lactose is absent, the lac repressor binds tightly to the operator. It gets in RNA polymerase's way and prevent transcription. 

Vinil7 [7]3 years ago
3 0
Lac repressor does inhibit expression of the lac operon when there is no lactose present (because it's a waste to make these proteins when there's no lactose around), however, the statement above is false because the lac repressor binds to the OPERATOR site, not the promoter. 
You might be interested in
Which of the following is NOT a type of Devonian arthropod?
mamaluj [8]

Answer:

D) None of the above

Explanation:

Arthropods are characterized by the possession of an exoskeleton and a segmented body. This group includes insects, arachnids, myriapods (centipedes and millipeds), and crustaceans.

The Devonian period, belonging to the Paleozoic Era, occurred from around 415 million to 350 million years ago. During this era, arthropods such as centipedes, millipedes, and flightless insects were predominant and diversified throughout this period.

Therefore, as all of these arthropods were present in the Devonian period, the correct answer is <u>d) None of the above</u>.

4 0
3 years ago
The presence of calcium in the sarcoplasm is directly responsible for __________. Multiple choice 1 decreasing the length of the
xxMikexx [17]
  • The presence of calcium in the sarcoplasm is directly responsible for exposing the binding sites on actin.
  • Rigor mortis occurs after death because detachment of crossbridges does not occur due to the lack of ATP

<h3>What is Sarcoplasm?</h3>

This is defined as the the cytoplasm of striated muscle cells in living organisms .When calcium is present, the binding sites on actin are exposed.

Rigor mortis occurs after death and involves stiffening of the muscle tissue because  detachment of cross bridges does not occur due to the lack of ATP.

Read more about Rigor mortis here brainly.com/question/25812860

5 0
2 years ago
Help me please thank you!<br> Look at the attachments below.
cupoosta [38]
The answer is D. receiving blood from the gills
7 0
3 years ago
Organisms with traits that are well-suited to an environment tend to survive and reproduce at a greater rate than organisms that
nata0808 [166]
I guess 'natural selection '
6 0
3 years ago
True or false: male older adults are abused at a higher rate than are women.
8090 [49]
<span>The answer False. Male older adults are not abused at a higher rate than women.

Much gender-based violence or abuse is directed towards women. This term is treated on the war against women, but a war in gender violence is a man's issue.</span>
7 0
3 years ago
Read 2 more answers
Other questions:
  • What is the purpose of the biogeochemical cycles?
    6·2 answers
  • Which of the following best explains the importance of water to humans?
    7·2 answers
  • The nonliving things in an environment are called __________.
    9·2 answers
  • The letter X in the process represents
    7·2 answers
  • Strong bands that help keep our bones in their proper place are called what
    13·1 answer
  • A researcher has hypothesized that the chemical tributyltin (an additive in boat paint) seeps into the water causing reproductiv
    11·1 answer
  • Name two things the ozone layer blocks?
    14·1 answer
  • Which statements is true regarding selective breeding ?
    6·2 answers
  • ASAP PLEASE
    12·1 answer
  • 68. potential
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!