What is Mutation
The major source of the genetic diversity among microorganisms upon which natural selection operates is Mutation.
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In experiments with phosphorus and sulfur, both of which burned readily, Lavoisier showed that they gained weight by combining with air. With lead calx, he was able to capture a large amount of air that was liberated when the calx was heated. To a suspicious Lavoisier, these results were not explained by phlogiston
<span>Cytotoxic t-cell subpopulations are specialized to combat intracellular pathogens, whereas helper t-cell subpopulations are specialized to combat extracellular pathogens.
</span>Cytotoxic t-cell are CD8+ cells. Cytotoxic t-cell uses granzymes to <span>kill </span><span>intracellular bacteria, that lives in the cytosol such as viruses. They identify the pathogen forgein peptids that are bounded to MHC-I on the cell surface.
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cd4+ T helper (Th) cells include Th1, Th2, and Th17 cells. They contribute to aliergic reactions and fighting extracellular parasites.
Bacteria are not dependent on telomerase to complete synthesis.
<h3><u>Answer</u>;</h3>
Yes females can survive without Males
<h3><u>Explanation</u>;</h3>
- The Komodo dragon can can reproduce sexually or asexually depending on their environmental conditions. At most zoos, females live alone and are kept separate from other dragons.
- <em><u>The females Komondo dragons can produce babies without fertilization by a male. This process is called parthenogenesis or a virgin conception.</u></em>
