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
Kobotan [32]
3 years ago
15

What happens to E coli when lactose is not present

Biology
1 answer:
Annette [7]3 years ago
3 0

Answer: the genes that produce the enzymes needed to break down lactose are not expressed

Explanation:

The lac operon is a series of genes used in digestion the sugar lactose. The operon is controlled by a promoter that regulates all of the genes

See full answer below.

You might be interested in
Which best describes the nature of cellular respiration?
Mashcka [7]
Your answer would be B
Hope this helps
7 0
3 years ago
Read 2 more answers
Been stuck on this overnight while studying can someone help me please?
adelina 88 [10]

coronaExplanation:

ur welcome

4 0
2 years ago
Read 2 more answers
Necesito 5 especies de plantas acuáticas en peligro de extinción y por qué estan en peligro de extinción.
cluponka [151]
<span>Platanthera praeclara -
Las principales amenazas a esta planta son el desarrollo, el pastoreo excesivo, los incendios y el calentamiento global.
Symphyotrichum georgianum -
en peligro debido al desarrollo del hábitat natural.
 Zizania texana -
amenazada por la disminución de los niveles de agua causada por la presa de Spring Lake.
Thelypodium howellii ssp. Spectabilis -
pero su población disminuye anualmente debido a la siega de pasto innecesaria en las áreas que esta planta llama hogar.
Stenogyne Kanehoanait-
se descubrió que los recortes de esta planta se pueden cultivar exitosamente en cautividad.

No soy tan fluido en español.</span>
8 0
3 years ago
Are Potassium hydroxide, Cesium hydroxide and Calcium hydroxide weak bases, strong bases, or acids
VladimirAG [237]

Strong bases

Explanation:

KOH, CsOH and Ca(OH)₂ are all strong bases because they dissociate completely in aqueous solution.

A base is a substance that produces excess hydroxyl ions in aqueous solutions.

Strong bases would dissociate completely when in solution.

Bases of alkali and alkali earth metals are classified as strong because they exhibit full ionic characteristics.

They give full metals ions and hydroxide in solution.

learn more:

Bases brainly.com/question/5613072

#learnwithBrainly

3 0
3 years ago
Which system controls the menstrual cycle in human females. Please help ASAP. :)
Westkost [7]

Answer:

The answer is option A.

Endocrine system

Hope this helps.

3 0
3 years ago
Other questions:
  • Below are two statements about the immune system: Macrophages ingest and degrade microbes and present the microbial antigens to
    12·1 answer
  • A gas can be squeezed into a smaller container, but a liquid cannot. What does this suggest about the arrangement of particles i
    5·1 answer
  • 1,why Dna coiled to histone protien 2,what is difference bewteen co-factor and prosthetic group 3,why child get mitrochondrion f
    13·1 answer
  • Which of the following is not a typical pattern found in the earth's system
    9·1 answer
  • Whal step of cell respiration does glucose first get broken down? What does it get broken down to
    10·1 answer
  • Select all of the answers that apply. Which of the following features are types of folds? anticlines and synclines monoclines ho
    13·1 answer
  • As a cell gets larger, what kind of crisis might occur (related to DNA)
    12·1 answer
  • Many insects have a tough outer shell called _____. an exoskeleton cellulose an endoskeleton chitin
    7·1 answer
  • ito ay tamang paggamit ng tamang bantas sa pagsulat ng isang suring pelikula upang maging epektibo ang pagsulat​
    10·1 answer
  • Hertha ayrton career
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!