Answer:
To keep blood safe, blood banks carefully screen donated blood. The risk of catching a virus from a blood transfusion is low. Sometimes it is possible to have a transfusion of your own blood. During surgery, you may need a blood transfusion because of blood loss.
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Explanation:
The phase you should be viewing is the prophase
Archaea have more complex RNA polymerases than Bacteria, similar to Eucarya. Unlikebacteria, archaea cell walls do not contain peptidoglycan. Archaeahave different membrane lipid bonding from bacteria and eukarya. There are genetic differences
Answer:
In the area with the largest sea lamprey population, a few things are done to reduce and control this population. Lampricide, Currently the primary method to control sea lampreys utilizes a lampricide, called TFM that kills sea lamprey larvae in streams with little or no impact on other fish.
Explanation:
I majored in Biology
Answer:
The lids of the Petri dishes were inadvertently left on while being sterilized
Explanation:
- The process of eliminating any microbe from a particular object to achieve a sterile aseptic environment is termed as sterilization.
- Sterilization mainly aims to either remove, kill or make any microbe inactive by using various means such as irradiation, heat, pressure, etc.
- In the given question radiation is used to sterilize the Petri dishes and thus, if sterilization is successful there should not be any contamination.
- However, since there is contamination present amongst the bacterial colonies growing on agar plated in the Petri dishes this shows that the sterilization has not been done successfully and a possible reason for this could be that while sterilizing the<em> lids of the Petri dishes were kept on. </em>