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
serg [7]
3 years ago
7

Bacterial cultures are sometimes exposed to ultraviolet (UV) light in order to generate organisms with new genetic traits. Why d

o microbiologists choose to use UV light for this purpose?
Biology
1 answer:
const2013 [10]3 years ago
7 0
<h2>Ultraviolet (UV) Light</h2>

Explanation:

  • <em>Ultraviolet germicidal irradiation (UVGI)</em> is a purification technique that  inactivate microorganisms and the short wavelength ultraviolet (UV-C) light to execute by destroying nucleic acids and upsetting their DNA, leaving them incapable to vital cellular functions.
  • <em>Ultraviolet (UV) light kills cells damaging their DNA</em>
  • <em>The subsequent thymine dimer is very stable,</em> however fix of this sort of DNA harm for the most part by extracting or expelling the two bases and filling in the holes with new nucleotides is fairly efficient.
  • UV light applies its mutagenic impact by energizing <em>electrons in atoms</em>
  • <em>The excitation of electrons in DNA atoms regularly brings about the development of extra bonds between contiguous pyrimidines (explicitly thymine) in DNA</em>
You might be interested in
The central vacuole of a plant cell is damaged.<br> What function is most affected by the damage?
Sveta_85 [38]
Structure and support ,storage area for the nutrients ,and also having a place where waste matter can decompose
6 0
3 years ago
Read 2 more answers
The photo shows a male peacock displaying his beautiful
VMariaS [17]

Answer: D. It increases the bird's chances of finding a mate.

Explanation:

As the question states, it's beautiful for the mate to see.

7 0
2 years ago
Read 2 more answers
The new Hazard Communication Standards provide teachers and students the right to __________ chemical hazards.
Aleonysh [2.5K]

The new Hazard Communication Standards provide teachers and students the right to manipulate chemical hazards.

Chemical hazards are non-biological substances that can cause damage to health. These are used in different enterprises, companies, school, universities and laboratories for different purposes such as cleaning, disinfection, scientific experiments, among others. When handling them, <u>employees are exposed to them and are vulnerable to harm from these chemicals</u>.  

There are many types of hazardous chemicals to be wary of, such as:

  • Carcinogens
  • Neurotoxins
  • Acids
  • Systemic toxins
  • Asmogens
  • Silica dust
  • Lead

In the workplace, exposure to these substances represents a real occupational hazard and there must be regulations to ensure that they are safe to handle.

The Occupational Safety and Health Administration (OSHA) is the agency of the U.S. Department of Labor which determined the Hazard Communication Standards. <u>This is a document with the necessary information to study the hazards of the chemical substances used by different employees in the companies</u>, so that they are aware of the dangers of these substances. These employees have the right to know exactly what compounds they handle and the risks involved in their use as well as the precautions and care to be taken.

Therefore, by having these safety standards in place in schools and universities, teachers and students have the possibility and the right to handle chemical hazards safely to be able to conduct the class normally and learn what is necessary.

Learn more about chemical hazards here: brainly.com/question/13113515

6 0
2 years ago
Answer the questions
solong [7]

Answer:

This is for the table at the top

<em>Plentiful roaming space</em>- increase - <u>because they</u><u> have more space they can live in.</u>

<em>Severe</em><em> </em><em>drought</em><em> </em><em>-</em><em> </em>decrease<em>-</em><em> </em><em> </em><u>because they</u><u> </u><u>wont</u><u> </u><u>have</u><u> </u><u>enough</u><u> </u><u>water</u><u> </u>

<em>abundant food </em><em>source</em><em> </em><em>-</em><em> </em>increase - <u>Because they have enough food to sustain themselves </u>

<em>Habitat </em><em>destruction</em><em> </em><em>-</em><em> </em>decrease - <u>Because they won't have a place to live in </u>

<em>Elimination of predators</em><em> </em><em>-</em><em> </em>increase - <u>Because there will be less animals hunting them for food.</u>

<em>Lack of competition</em><em> </em><em>-</em><em> </em>increase - <u>Because they won't have to compete for food which will allow them to have more.</u>

<em>Disease</em><em> </em><em>outbreak</em> - decrease - <u>Because the disease will kill a lot of them and can potentially cause birth rates to go down</u>

3 0
3 years ago
WORTH 10 POINTS AND WILL GIVE BRAINLIEST FOR CORRECT ANSWER!!!<br> Order the following!
gulaghasi [49]
1) RNA polymerase finds the promoter sequence on DNA.
2)RNA polymerase reads the DNA and builds complementary sequence.
3) Intron séquences are spliced out and exons are joined together.
4) The ends of the mature transcript are protected before it leaves the nucleus.
5) The mRNA attachés to the ribosome.
6) transfer RNA arrives at the ribosome and the anticodon complements to the mRNA codon.
7)amino acids form peptide bonds as tRNA molecules match the mRNA.
5 0
3 years ago
Other questions:
  • Mistletoe is a plants that absorbs nutrients from living oak trees. this causes damage to the tree. which of these relationships
    15·1 answer
  • the forces of volcanic eruptions vary:some eruptions explode violently,and others are slow and quiet. Which type of eruption is
    5·1 answer
  • There are three main mechanisms that involve DNA transfer from one prokaryote to another, increasing the genetic diversity of th
    8·1 answer
  • BEST ANSWER GETS BRAINLIEST!!!
    7·2 answers
  • What would the consequence of deleting telomerase from a human cell line?
    5·1 answer
  • If there are 12 chromosomes in an animal cell in the G 1 stage of the cell cycle, what is the diploid number of chromosomes for
    7·1 answer
  • What are the characteristics of static electricity?<br><br><br><br><br> PLZZZZ HELPP!!
    10·1 answer
  • Write a sentence that states what you found out about the scientific question you just investigated. Provide enough detail so th
    6·1 answer
  • AND I WILL GIVE BRAINLIEST
    13·1 answer
  • Many plants can reproduce both sexually and asexually. For example, rose bushes reproduce asexually when cuttings planted in the
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!