Standard microbiological practices (SMPs) should be practiced by microbiologists to protect herself against the pathogens.
What are the Safe Practices for the Microbiology Laboratory:
- Treat all microorganisms as potential pathogens.
- Sterilize equipment and materials.
- Disinfect work areas before and after use.
- Autoclave or disinfect all waste material.
- Never pipette by mouth.
- Clean up spills with care. Wash your hands.
What is Biological Safety Level (BSL):
BSL is a biocontainment designation system with requirements intended to protect personnel from potentially harmful pathogenic exposure in a research or manufacturing environment.
Learn more about the Biosafety level with the help of the following link:
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Answer:
The number of genes partially explains how an organism has evolved and how it gained complexity.
Explanation:
The number of genes of a bacteria versus an eucaryotic organism is quite distinct and so is their complexity. A prokaryotic organism like a bacteria has a set of genes necessary to exert their basic functions and the number of genes compared to a eucaryotic cell is 3-30 times smaller, which defines a direct correlation of number of genes and complexity. However if we consider only eucaryote organisms and their complexity there is no such direct correlation between number of genes and their complexity when, for example, we compare the number of genes of humans (approximately 18000) and the number of genes of the <em>Trichomonas vaginalis, </em>an anaerobic, flagellated protozoan parasite and the causative agent of trichomoniasis. The number of genes of <em>T. vaginalis</em> is far bigger than the human cell, however the human complexity is far more advanced than the parasite organism.
Answer:
The correct answer is -
Parent 1: RW, Parent 2: RR
Explanation:
In the given punnet square there are four offspring and it is a monohybrid cross between parent 1 and parent 2. The four offspring produced in this cross have RR, RR, RW, and RW alleles. By the genotype of the offsprings, it is clear that there are 50 percent pure or true-bred and 50 percent are heterozygous.
Each parent contribute two alleles and these alleles are independently assort in the zygote to form offspring so there must be R, R, R and W allele present in the parent
Parent 2 → R R
Parent 1 ↓ R RR RR (one allele (R) come from each parent in zygote)
W RW RW (one allele (R and W) come from each parent)
In order to identify the most recent common ancestor of an animal, the physical and genetic makeup of the organisms must be compared. The two organisms must have striking similarities in order to be considered as closely related.
Despite the difference in their size, the domestic ferret has a great resemblance with the features of an Eastern European polecat. In addition, they have the ability to cross-breed with polecats. Therefore, the most recent ancestor of the ferret is the Eastern European polecat.
This took a long time to type cuz I am a slow typer. But I hope I got the answer correct! Hope you have a great day!:)
