Best Answer: Well, you have to look at the onion slide under the microscope and looks at each cell and tell what stage (interphase, prophase, etc.) they are in. and then for the description probably tell which one there is the most of and maybe why you think that is. You can find pictures of each phase in your book. I did a lab like this not too long ago in my bio class lol. And, i believe that you will get a lot in interphase (when cells are not currently dividing), just to let you know.
<span>The correct answer is Marine Sedimentary Rock. This means that when they collide, usually mountains come from out of the sea and move vertically up. This means that sedimentary marine rocks eventually become non-marine rocks since they're not in the sea anymore so they can be found on such mountains.</span><span />
When compared to the positive control, a disinfectant dilution is considered to be useful if it stops bacterial growth.
Choosing a disinfectant:
When selecting a disinfectant, keep the following things in mind:
- The range of bacteria that need to be eliminated. Look into the specifications of the manufacturers.
- The conditions of usage of disinfectant.
Application of disinfectants :
- Activity: it is necessary for efficient disinfection since, once diluted, it degrades over time. Different disinfectants deteriorate at different rates. Obtain data from the manufacturers. Disinfectants that don't have a color indication, like Virkon, should be marked with an expiration date.
- Touch time: it has to be verified that the manufacturer's data to make sure the organism stays in contact for the specified amount of time. Considering that solid materials like cells and tissue granules are difficult for disinfectants to penetrate, autoclaving would be a more effective way to inactivate.
Therefore the correct choice is an option (A).
Learn more about disinfectants here:
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Dna has some stufff more important than what rna has gotten
Answer:
Chlorophyll absorbs the energy from the sun.
Explanation:
Light absorbed by chlorophyll excites the electrons in the ring as shown below.
