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
Jet001 [13]
3 years ago
14

Griffith called the process he observed transformation because

Biology
2 answers:
Eva8 [605]3 years ago
5 0

Answer:

The correct answer would be the harmless bacteria had been transformed.

Griffith used two different strains of the bacteria <em>Streptococcus pneumoniae - </em>type-III-S or smooth strain and type II-R or rough strain.

Smooth strain had protective covering around itself (protect itself from hosts's immune system) and was able to kill the mice.

Rough strain did not have any protective covering around itself  and thus could be easily removed by the immune system Hence, it was not able to kill the mice.

In addition, heat killed smooth strain was also not able to kill the mice. However, when remains of it was added with rough strain then the blend was able to kill the mice.

Lastly, he was able to isolate living bacteria of both the strains.

He concluded that non-lethal type II-R strain was transformed into lethal type II-S strain by "transforming principle" (which we know today as DNA) that was supposed to be the part of dead III-S strain bacteria.

Alik [6]3 years ago
5 0

Griffith experimented and concluded that harmless bacteria could be transformed from one strain to another strain.

Further Explanation:

Frederick Griffith is a scientist who experimented with the mouse in 1928. He concluded that bacteria could acquire DNA by the process mainly referred to as transformation. In his experiment, he used two kinds of strain of <em>Streptococcus pneumoniae</em>. In this experiment, he infects mice with this bacterium.

Type-II R strain of bacterium is a rough strain and does not encapsulate with a layer of the polysaccharide. Another strain is Type-III S, which smooth strain and covered with the polysaccharide. This polysaccharide layer protects bacteria from immune cells present in the host. In this experiment, type-II S strain is injected in the mouse by the heat-killed method by which this strain has died. Type-II R is injecting normally and kills the mouse. Through this Griffith concluded that Type-II R strain is converted into lethal Type-III S strain by transforming principle.

Learn more:

  1. Learn more about mitosis brainly.com/question/6462270
  2. Learn more about the menstrual cycle brainly.com/question/723944
  3. Learn more about meiosis brainly.com/question/94813

Answer Details:

Grade: High School

Subject: Biology

Topic: Transformation

Keywords:  Transformation, mice, strain, streptococcus pneumonia, experiment, lethal, mouse, smooth strain, rough strain, transforming principle, normal, kill.

You might be interested in
What therapeutic effect does the nurse expect to identify when mannitol is administered parenterally to a client with cerebral e
DIA [1.3K]
<span>The primary desired therapeutic effect of mannitol is the reduction of intracranial pressure. This pressure, most likely caused by swelling on the brain, is generally caused by head traumas and can be life threatening. The administration of mannitol reduces this swelling thus decreasing the cranial pressure.</span>
4 0
2 years ago
Which type of bond is very important to living things, because it is weak, but does allow things to "stick together"?
noname [10]
Hydrogen bond. Although other ones are equally as important such as a dipole-induced dipole
3 0
3 years ago
Tommy is planning his science fair project. He wants to measure the rate of photosynthesis in plants that live in fresh water. I
frozen [14]
Its An experiment because it doesnt ask a testable question
So its B
i hoped it helped SIS 
6 0
3 years ago
Read 2 more answers
Why must males inherit colorblindness and hemophilia from their mothers?
zhuklara [117]
Because chromosome X carries these genes which lead To catch these diseases.
males catch these disease more than females because they have 1. chromosome X but females has 2 .
so the Recessive trait appear in males more than females .
8 0
3 years ago
The mohs scale measures a mineral’s _____. a. luster b. structure c. density d. hardness
VMariaS [17]
The Mohs scale measures D, a mineral's hardness.
4 0
3 years ago
Read 2 more answers
Other questions:
  • Given what you know about genetics and molecular biology, describe another way you might be able to identify specific bacteria
    11·1 answer
  • Which is an important function of normal flora?
    8·1 answer
  • A certain species of lizard comes in three colors: cream, golden, and brown. All lizards are a single solid color (ie, none ever
    13·1 answer
  • Gregor mendel ised pea plants that were hetero
    5·1 answer
  • The empty follicle that undergoes structural and biochemical changes, under the influence of luteinizing hormone, becomes the __
    6·1 answer
  • The main language of scientific names is:
    12·1 answer
  • This kingdom can live in harsh environments, like extremely hot or cold environments
    11·1 answer
  • What process do pondweeds carry out in the presence of light?
    9·1 answer
  • (edge) Describe connective tissue. What are the functions of this tissue?
    12·2 answers
  • 2. An ecosystem contains organisms interacting with each other and their physical environment
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!