Making changes in the dna of organism is called mutation
C. They are good.
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The correct descriptions as shown in the attachment is as follows:
- Antimicrobial drugs used for chemotherapy assigned a Therapeutic Index (TI) determined from the ratio of its toxicity to its minimum inhibitory concentration classified as narrow spectrum e.g. gram positive bacteria only or as broad spectrum which can lead to superinfection.
- Toxicity is reduced using drugs exhibiting high selective toxicity desired to protect host cells.
<h3>What are antimicrobial drugs?</h3>
Antimicrobial drugs are drugs which are used to in the treatment of microbial infections.
Antimicrobial drugs include antibacterial, antifungal, and antiviral drugs.
The correct descriptions as shown in the attachment is as follows:
- Antimicrobial drugs used for chemotherapy assigned a Therapeutic Index (TI) determined from the ratio of its toxicity to its minimum inhibitory concentration classified as narrow spectrum e.g. gram positive bacteria only or as broad spectrum which can lead to superinfection.
- Toxicity is reduced using drugs exhibiting high selective toxicity desired to protect host cells.
In conclusion, antimicrobial drugs are used to treat microbial infections.
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If global warming trends continues, the options that could happen to the glacial ecosystem are;
- "Glacial melt and warmer temperatures will increase humidity levels in the ecosystem. This will decrease fish populations that thrive in colder climates." (Option B)
<h3>
What is global warming?</h3>
Global warming is the name given to the occurrence of the continual melting of the ice cap and the negative effects that this can have on the earth.
Thus, it is right to state that glacial melt will decrease fish populations that thrive in the colder climates.
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