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
umka21 [38]
3 years ago
9

(1 point)

Biology
1 answer:
Yakvenalex [24]3 years ago
8 0

Answer:

The correct answer is Tryptophan binds with the repressor allowing it to attach to the operator site,blocking the RNA polymerase.

Explanation:

Tryptophan operon contain 3 regulatory genes and 5 structural genes.The structural genes encodes enzymes for tryptophan biosynthesis.

  The expression of tryptophan operon is tightly regulated by the the cellular level of amino acid tryptophan.

 When the tryptophan level is high at that time the tryptophan bind with the repressor protein encoded by regulatory tryp R gene and then the repressor tryptophan complex binds to the operator region thus preventing the RNA polymerase enzyme to exert its action.

You might be interested in
The Punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. The Punnett square b
grigory [225]

Answer:

75%

Explanation:

Three of the boxes contain an Upper case F, therefore 75% of the boxes have an Upper case F. It's like quarters, if you have 4 quarters you have 100 cents, if you have 3 you have 75 cents, if you have 2 you have 50 cents, and if you have 1 you have 25 cents.

7 0
2 years ago
What information would you have to know to determine the toughness of a solid?
Mrac [35]
You need to know 1) How much kinetic energy it absorbed before it broke.
2) What materials are able to scratch it.
3) Its mass.
8 0
3 years ago
Read 2 more answers
Rough endoplasmic recticulum function
Bad White [126]
To produce proteins for the rest of the cell to function.
6 0
2 years ago
What are the important events and end products of light reaction
german

Answer:

The important events of light reaction are (i) Excitation of chlorophyll molecule to emit a pair of electrons and use of their energy in the formation of ATP from ADP + Pi. This process is called photophosphorylation. Splitting of water molecule (a) (b) End products of light reaction are NADPH and ATP.

3 0
3 years ago
Read 2 more answers
When tissues are subjected to chemical or physical trauma or invasion by pathogenic microorganisms, what can occur?
777dan777 [17]

Answer:

Inflammation

Explanation:

Inflammation is an immune response produced in the body in response to the damage or trauma caused by physical or chemical factors.

The injured tissue can allow the entry of the microorganism in the body which could cause disease therefore the immune response gets activated to eliminate the pathogen.

The inflammation is marked by the swelling and redness in the injured portion due to the increased flow of blood carrying the White blood cells in that area. The immune cells interact with the pathogen and kill the pathogen.

Thus, Inflammation is the correct answer.

5 0
3 years ago
Other questions:
  • Cytoskeleton prefix and suffix
    10·1 answer
  • Which structures are responsible for producing semen
    5·1 answer
  • Dams create steady water and power , but they do cost a lot and flood land__
    6·1 answer
  • 45. The main product(s) of the light-independent ( dark reactions ) of photosynthesis is/are
    15·1 answer
  • Definition! Help please!! I give brainliast please help meeee
    9·2 answers
  • Some microbes secrete small molecules that induce other microbes to settle nearby. When a certain number of individuals have ass
    7·1 answer
  • In which types of cells will mitosis occur
    15·2 answers
  • From earliest to latest, the overall sequence of early development proceeds as follows: A) gastrulation → organogenesis → cleava
    11·1 answer
  • List 2 regulations for pesticides.
    11·1 answer
  • How are photosynthesis and respiration different?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!