the mice grew sick and died.
(totally CORRECT, I got this out of a worksheet the teacher gave me so you can count on this answer... OH YES YOU'RE VERY WELCOME, ANYTIME)
The injection of dead S bacteria by Griffith resulted in no harmful effects on the mice. However, when the live R strain was injected along with the dead S bacteria, it caused the mice to become sick and die. This experiment demonstrated that the genetic material from the dead S strain could transform the harmless R strain into a deadly one.
The result of simple staining of microorganisms is that they can be identified and studied under a microscope.
A virus that infects bacteria is called a bacteriophage. Bacteriophages inject their genetic material into the bacteria and use the host's machinery to replicate. They are being studied for potential use in treating bacterial infections in humans.
Microbiology is the study of microorganisms, which includes bacteria, viruses, fungi, and parasites. Bacteria are one type of microorganism studied in microbiology, but the field encompasses a broader range of microscopic life forms.
You would use a microscope to look at bacteria from your teeth. A light microscope is commonly used for this purpose, as it can magnify the bacteria to a level where they can be observed and studied in detail.
The mice died
The injection of dead S bacteria by Griffith resulted in no harmful effects on the mice. However, when the live R strain was injected along with the dead S bacteria, it caused the mice to become sick and die. This experiment demonstrated that the genetic material from the dead S strain could transform the harmless R strain into a deadly one.
Fred Griffith
the mice grew sick and died.(totally CORRECT, I got this out of a worksheet the teacher gave me so you can count on this answer... OH YES YOU'RE VERY WELCOME, ANYTIME)
Frederick Griffith was a scientist who studied the S and R types of bacteria. He conducted experiments in the 1920s that demonstrated bacterial transformation, where genetic material can be transferred between bacterial cells. This work was foundational in understanding the concept of bacterial virulence and the basis for later research in molecular biology.
The bacterium that Frederick Griffith studied is called Streptococcus pneumoniae. His experiments in the 1920s demonstrated the phenomenon of transformation, showing how non-virulent bacteria could acquire virulence by taking up genetic material from heat-killed virulent bacteria. This foundational work laid the groundwork for the discovery of DNA as the genetic material.
the mice grew sick and died.(totally CORRECT, I got this out of a worksheet the teacher gave me so you can count on this answer... OH YES YOU'RE VERY WELCOME, ANYTIME)
Frederick Griffith was a British bacteriologist. In January 1928, he reported what is now known as Griffith's Experiment, the first widely accepted demonstrations of bacterial transformation, whereby a bacterium distinctly changes its form and function.
James Watson Francis Crick Rosalind Franklin Fred Griffith Linus Pauling Martha Chase
To cultivate bacteria, you would typically streak a sample onto a nutrient agar plate in a sterile environment. The plate is then incubated at the optimal temperature for the specific bacteria species to grow. After incubation, colonies of bacteria will form, which can be studied and analyzed.
Bacteria are studied in the field of microbiology, which is a branch of biology that focuses on the study of microorganisms like bacteria, viruses, and fungi. Microbiology examines the characteristics, behavior, and interactions of these tiny organisms.
The result of simple staining of microorganisms is that they can be identified and studied under a microscope.