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
Leona [35]
3 years ago
8

Which of the following best describes the biological role of the lac operon?

Biology
1 answer:
MatroZZZ [7]3 years ago
5 0

Answer:

D. It ensures that bacterial cells produce lactose only when no other food sources are available.

Explanation:

E. coli uses three enzymes to produce lactose. The genes for these three enzymes are found in lac operon.

You might be interested in
Explain the difference between an infection caused by a fungus and an allergy caused by a fungus
Anvisha [2.4K]
Re-posting some old information I found on this website

<span>When a fungus infects a body, it attacks the host by destroying and often taking over cells. When a person has an allergic reaction (to anything) the substance triggers the body to send histamines and excess water to the affected area, swelling and closing the area to prevent infection. - Answer Provided by ChaoticPiece</span>
3 0
3 years ago
What happens during the G1 phase of the cell cycle?
evablogger [386]

The cell grows to its mature size

8 0
4 years ago
If there is a high concentration of reducing sugar, Benedict’s solution will turn _______. A. Green B. Orange C. Red D. Blue
geniusboy [140]

Answer: In lab, we used Benedict's reagent to test for one particular reducing sugar: glucose. Benedict's reagent starts out aqua-blue. As it is heated in the presence of reducing sugars, it turns yellow to orange. The "hotter" the final color of the reagent, the higher the concentration of reducing sugar.

7 0
4 years ago
Read 2 more answers
2. How might this population suddenly increase? How might this affect the ecosystem?
Firdavs [7]

Answer:

it can suddenly increase when more and more people have babies and the infant rate goes up. and how it might affect the ecosystem is the pollution that people give off.

4 0
3 years ago
When receiving x rays, individuals wear a lead
VladimirAG [237]
When receiving x rays, individuals wear a lead<span>shield over major organs in order to limit the
body’s exposure to radiation. One reason for this
procedure is to </span><span>prevent mutations in gametes</span>
3 0
3 years ago
Read 2 more answers
Other questions:
  • If the weather forecaster tells you that the pressure is rising, what is the air density doing?
    13·1 answer
  • If the cells stop dividing and do not spread the tumor is
    10·1 answer
  • Weegy 2. slight differences in inherited traits, such as feather color in birds, are called
    8·1 answer
  • Is algae plant- like, fungus- like, or animal- like
    12·1 answer
  • Reproduction 2: Question 2 A child is born to two parents. Why does the child not look exactly like either of her parents? Selec
    15·1 answer
  • What percent of the trees cut down are used for something other than paper?
    9·2 answers
  • Fitness is determined by
    11·1 answer
  • How are minerals categorized as either macro or trace?
    12·1 answer
  • The purpose of "crossing over" is
    13·1 answer
  • PLS HELP ASAP I WILL GIVE BRANIEST TO WHO ANSWERS THE QUESTION!!!!
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!