State about led fredrick griffith, Biology

Assignment Help:

In the experiments that led Fredrick Griffith to discover the "Transforming Principle", which of the following was the key step in illustrating that a substance within one cell could transform another cell?

A. Live strains of pathogenic and non-pathogenic bacteria were independently injected into mice.

B. Heat killed and fragmented pathogenic bacteria cells were injected into mice.

C. Heat killed and fragmented pathogenic bacteria cells were mixed with living non-pathogenic bacterial cells and then injected into mice. 

D. Live strains of pathogenic and non-pathogenic bacteria were varied together and injected into mice.  

 


Related Discussions:- State about led fredrick griffith

Infant botulism, In infant botulism, viable botulinal spores are ingested a...

In infant botulism, viable botulinal spores are ingested and upon germination in the intestinal tract, toxin is synthesized. It is confined to infants under a year of age. High num

Determine the important neuropathic symptoms, The following are the importa...

The following are the important neuropathic symptoms: 1. Dysesthesia: It means burning or tingling sensation, sunburn like feeling etc. Take a note of duration, time of occurre

Terrestrial biomes of the world, The primary factors that influence the for...

The primary factors that influence the formation of these biomes are climatic, like precipitation, temperature, seasonal extremes and winds. However, topography and light are also

Genetic code be qualified as a "degenerate code", Q. Why can the genetic co...

Q. Why can the genetic code be qualified as a "degenerate code"? The genetic code is a degenerate code because there are amino acids codified by more than one type of codon, it

What is the function of the citric acid cycle, What is the function of the ...

What is the function of the citric acid cycle? The hnction ofthe  citric acid cycle can be discussed as  follows. The  intermediates of citric acid cycle are used as  precursor

How the slides and specimens used as instructional resources, Explain how t...

Explain how the slides and specimens used as instructional resources?  Ans) They act as an Identifier, so that we can judge them simply

Locomotion in echinodermata, Locomotion in Echinodermata Locomotion i...

Locomotion in Echinodermata Locomotion in echinoderms is accomplished through a unique canalicular system which is termed as the water-vascular system. This system is charact

What body systems respond to resist the changes, Jennifer has the "stomach ...

Jennifer has the "stomach flu" that is going around campus and has been vomiting profusely for the past 24 hours. Not only has she been unable to keep down fluids or food but she h

Endocrine glands - gastro-intestinal mucosa, GASTRO-INTESTINA L MUCOSA - ...

GASTRO-INTESTINA L MUCOSA - It develops from the endoderm of the embryo. Inner most layer of the wall of the alimentary canal is called mucosa. Certain cells of the mucosa

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd