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
Eddi Din [679]
2 years ago
5

"Housekeeping genes" in bacteria are commonly expressed constitutively, but not all of these genes are expressed at the same lev

el (the same number of molecules per cell). The primary mechanism responsible for variations in the level of constitutive enzymes from different genes is that:
Biology
1 answer:
Vesnalui [34]2 years ago
5 0

Answer:

Housekeeping genes may be defined as the genes that are constitutive genes important for the cellular functioning of the organism. The expression of housekeeping gene may or may not vary.

Some housekeeping genes are not expressed at same level because the housekeeping genes also have different promoters. The different promoters have different affinity to interact with the holoenzyme of RNA polymerase.

You might be interested in
Which discovery did Gregor Mendel make?
lana66690 [7]
"Traits are inherited independently of each other" is the one discovery among the following choices given in the question that <span>Gregor Mendel did make. The correct option among all the options that are given in the question is the first option. I hope that this is the answer that has come to your desired help.</span>
8 0
3 years ago
Read 2 more answers
Which of the following describes an effect of particulate matter on health?
faltersainse [42]

Answer:Particle pollution and health risks, including premature death. Health effects may include cardiovascular effects such as cardiac arrhythmia´s and heart attacks, and respiratory effects such as asthma attacks and bronchitis.

Explanation:

7 0
3 years ago
How does heat affect the thermal energy of an object that is colder than the air that surrounds it?
natka813 [3]

Answer:

Heat decrease the thermal energy of an object as energy moves to the air. Heat causes the thermal energy of the object to increase as energy moves from warmer air to the colder object

3 0
2 years ago
Read 2 more answers
use the words and concepts of evaporation and condensation as well as a form of each of these words explain what happens when it
liubo4ka [24]
Portland, Oregon, is a city right next to northern west coast of the USA. Besides being very close to the sea, it is also laid on a river. The sun that heats up the ocean and the river leads to evaporation, causing water vapour to ascend, because of a few wind currents, this water vapour is taken to Portland's area where it colds down and condensates, raining over Portland.
6 0
3 years ago
For a mutation to affect evolution
omeli [17]
For a mutation to affect evolution it has to be passed on to all the offspring if that is what you mean.
6 0
3 years ago
Read 2 more answers
Other questions:
  • How to be seccesfull?
    8·2 answers
  • A newborn female developed extensive vesicular and ulcerative lesions over her face and chest. What is the most likely cause of
    11·1 answer
  • Which geologic principle explains why the bottom stratum in a section of rock is the oldest?
    14·1 answer
  • Plz help me <br> WILL GIVE BRAINLIEST
    8·1 answer
  • Which of the following is a nonrenewable resource?
    10·2 answers
  • The liver removes ammonia from the blood and converts it into urea. Why is this activity of the liver an example of homeostasis?
    5·1 answer
  • I need help ASPPPPP!!!!
    9·1 answer
  • The activities in the cell cycle occur during specific phases,in which phase of the cell cycle DNA replicated
    11·2 answers
  • An example for aheterotropic for feeding is what
    14·1 answer
  • Which phase of mitosis has the
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!