Answer:
<em>Agrobacterium</em> <em>tumefaciens</em> is a gram negative bacteria that is responsible for tumor formation in the different parts of plant body.
Explanation:
It causes crown-gall disease in plant body by transferring it's DNA into the plant body which include Ti plasmid.
There are 3 types of bacteria that form tumor in different plant ares.
<em>Agrobacterium rhizogenes</em>,<em> Agrobacterium tumefaciens</em> strains contain either Ti or Ri plasmid but <em>Agrobacterium vitis</em> contain only Ti plasmid which are virulent.
The transfer of T-DNA takes place into the body of host cells and then the DNA is expressed into the body of the host and thus forming gall or tumor.
The correct answer is C) That scientists who have worked on the theory have independently and repeatedly come to the same conclusions over time.
Explanation:
In science, the term "consilience of evidence" is used when the evidence of a hypothesis or theory is consistent especially evidence from independent scientists or sources. This often implies the theory has been tested many times and by different experts and even using different methods but the results are always the same. This consilience of evidence is essential to declare a theory as valid and concluding. In this context, the option that describes the meaning of this term is C.
Answer:
Explanation:
A scientific researcher performs scientific methods to answer any natural process. The researcher will follow the protocol of a scientific method which includes: observe the natural phenomenon, ask related questions, suggest a hypothesis, perform the experiment and suggest answers.
In the given question if the researcher has to study about the flu virus, the possible questions he would ask will be:
1. The life cycle of the flu virus.
2. Effect of the virus on the life of an organism.
3. The mechanism used by the virus to replicate and to infect any organism.
4. Molecular mechanism of a virus.
<span>Crust, mantle and core (core has 2 layers) </span>
Answer:
400Joules
Explanation:
the total work done to be calculated is Force× Distance
:f×d=W
80×5=320J
