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Who thought of using attenuated organisms for vaccines and how is this important?
Wiki User
∙ 9y ago
Attenuated vaccines are created by destabilizing the virulence of the strain while still keeping the organism alive. Attenuated vaccines were first developed by Albert Calmette and Camille Guerin in their efforts to use an immunization as a cure for Tuberculosis in 1906.
Wiki User
∙ 9y ago
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What organisms are thought to have been the first to appear on earth?
bacteria
Modern organisms that are thought to resemble the earliest animals are?
Colonial protists
Similarities between monera and protists?
There are only two that i have thought of...........They are both simple organisms and they both contain heredity material There are only two that i have thought of...........They are both simple organisms and they both contain heredity material
How did organic compounds get there name. How is the world related to its meaning?
They were thought to be produced by living organisms.
Are all organisms cellular?
most organisms are many-celled organisms..they are not cells by themselves However, there ARE one-celled organisms. It is thought of that organisms ARE MADE UP OF cells. We need cells, if they don't have cells to fix the "wounds" or help with the repairs that plants or animals need.
What is the first organisms here on earth?
Prokaryotes (single-celled bacteria) are thought to be the first organisms in the world. They were thought to have formed in a "mitochondria sandwhich" which is two pieces of mitochondria pressed together with various substances such as water pressed in between, allowing organisms to form in the moist conditions. For further clarification on the "mitochondria sandwhich" theory, research it.
What modern organisms are thought to be most like the first life-forms on Earth?
Archeo-bacteria
Why only mitochondria and chloroplast have DNA?
They were thought to have been separate organisms before the formation of the cell.
What are the most primitive organisms today are thought to have a structure that is too simple to be considered cells.?
Jellyfishes...
Why did European countries think exploration was important?
your mom thought it was important
Members of which domain were thought to be some of the first organisms on earth billions of years before the dinosaurs?
Archaebacteria
How would you identify the cells as either plants or animals?
i thought they're just called micro organisms
