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
nika2105 [10]
3 years ago
6

True or false? The lac operon operates by having the repressor only leave the operator when it is bound to the lactose molecule

Biology
1 answer:
S_A_V [24]3 years ago
7 0

Answer:

true

Explanation:

When lactose is not available, the lac repressor binds tightly to the operator, preventing transcription by RNA polymerase. However, when lactose is present, the lac repressor loses its ability to bind DNA. It floats off the operator, clearing the way for RNA polymerase to transcribe the operon

You might be interested in
Another name for a fertilized egg is a(n) (2 points) zygote. gamete. ova. fetus.
andreyandreev [35.5K]
It's called a zygote
8 0
3 years ago
Why would chemical weathering affect the kinds of minerals in soil as the soil is formed??
Vilka [71]
Process by which the internal structure of a mineral is altered by the addition or removal of elements. Change in phase (mineral type) and composition are due to the action of chemical agents. Chemical weathering is dependent on available surface for reaction temperature and presence of chemically active fluids.
5 0
3 years ago
Heavy wear on neandertals incisor teeth has led some scientists to conclude that neandertals used their front teeth:
natka813 [3]
The answer should be <span>For gripping materials</span>
7 0
3 years ago
2. Identify the epithelial tissue that is most suited to each of the following functions. a. diffusion of gases across lung air
Delicious77 [7]

Answer:

e. secretion, absorption and chemical protection

Explanation:

Epithelial tissues is responsible for the protection of the skin, absorption of nutrients during digestion and secretion of waste materials. These tissues form covering to all body surfaces. They also perform a variety of other functions such as excretion of waste substances, filtration of air from dirt and particles and clean the air that is inhaled, diffusion, and sensory reception.

7 0
3 years ago
What would be the effect of a high external temperature on amount of urine produced by the kidneys​
kykrilka [37]
Idk i meannn it seemssssssssssss idkkkk
5 0
3 years ago
Read 2 more answers
Other questions:
  • Physical anthropologists are only concerned with the past evolutionary development of the human animal and the biological variat
    5·1 answer
  • The lower temperature is found near the top of which atmospheric layer
    15·1 answer
  • Do you feel humans have over-subscribed some medications?
    15·1 answer
  • Natural depression on the earths surface
    15·1 answer
  • Where is our sun when it at its highest in the sky
    7·1 answer
  • Which observation would most likely be made before an experiment?
    14·2 answers
  • Which of the following elements is found in all organic molecules
    8·1 answer
  • When the moon orbits the Earth and the_____of the moon shines on the Earth we have a___eclipse.
    9·1 answer
  • An ice is put in a beaker and left in the sun for long<br>What with happen to the iceblock?<br>​
    10·2 answers
  • The four greenhouse gases that trap heat in the Earth's Atmosphere are Carbon Dioxide, Nitrous Oxide, Methane, and ___?​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!