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
Norma-Jean [14]
3 years ago
12

What state is the repressor protein in when tryptophan is absent?

Biology
1 answer:
algol133 years ago
3 0
The correct answer is A: the repressor protein is inactive

Without tryptophan, the repressor protein recedes into inactivity.
You might be interested in
a breaker is divided into two halves A&B by a membrane that is freely permeable to the water and naCI but not to protein sid
enot [183]
I believe, The number of water molecules has increased.







Hope that helps!!!!
7 0
3 years ago
What is made up of mostly hydrogen and carbon
lutik1710 [3]

the answer is Hydrocarbons

8 0
3 years ago
Read 2 more answers
Our sense of ________ depends on olfactory cells located high in the roof of the nasal cavity.
Paha777 [63]

Sense of smell

Sense of smell is known to be part of the chemosensory system or chemical senses. It also a warning system that alert to danger signals such as fire, gas leakage or spoiled food. Thus, the sense of smell comes from the specialized sensory cells known as olfactory sensory neurons.

7 0
3 years ago
What is enters the light cycle ? Where do they come from ? How are they used / changed ?
zubka84 [21]

In the start of the light cycle, light-dependent reactions harness energy from the sun in order to create chemical bonds. These bonds are known as ATP and NADPH. These are the molecules that carry energy which are made in the stroma. The stroma is where the Calvin cycle takes place.

7 0
3 years ago
Which sentence correctly uses the word photosynthesis? A. Cameras use photosynthesis to turn light into digital pictures. B. Ani
N76 [4]

the correct answer would be C

3 0
3 years ago
Other questions:
  • What molecule has a r group
    8·2 answers
  • The wings of birds and butterflies have the same function—they enable the organisms to fly. Which statement can be made about th
    7·2 answers
  • Best way to describe Neptune
    8·1 answer
  • What are the mechanisms by which aneuploidy and polyploidy are caused? What are the mechanisms by which aneuploidy and polyploid
    7·1 answer
  • The diagram shows the magnetic field surrounding a bar magnet. The closer together the lines of force, the stronger the magnetic
    12·2 answers
  • Do you think each form of water is emportant? why?​
    6·2 answers
  • Yellow marrow makes red blood cells true or false
    10·1 answer
  • heat is produced by radiant energy (A) when it travels through space (B) when it strikes matter (C) when its reflected from the
    8·1 answer
  • In your own words, what is biodiversity?
    6·2 answers
  • A student claims that the four types of macromolecules make up all of the
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!