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I am not sure but I believe the reason is that the light source used in the past (and still is) was a tungsten lamp which has its max intensity at ~600nm.
Yoram
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∙ 11y ago
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Is mitochondria part of bacterial?
No it is not.They are only in eukariyotes
How many mitochondria in bacterial cell?
They do not have any.They are only in eukariyotes
Does a bacterial cell have a chloroplast?
No they do not have. Chloroplasts are found in eukariyotes only
What are the male symptoms for bacterial vaginosis?
Male usually do not get infection from bacterial vaginosis.
Can you get bacterial menigitis from mold?
No. Mold is a fungus, not a bacteria. You can get mycotoxin exposure to certain types of mold, which will make you very sick, and can even be fatal in high enough concentrations. However, you can only get bacterial meningitis from certain bacterial infections.
Why is ground beef a better bacterial growth medium than steak or roast?
The bacteria would be grounded up with the beef and it would be spread throughout the meat, making it ideal for the media to have bacterial growth throughout. Unlike the steak or roast where it would only have bacterial growth on the surface.
When does fresh ground beef start to develop bacteria?
Immediately. Keeping it cold only slows bacterial growth. Freezing it will stop the growth.
Can you refrigerate metal?
It is only dangerous if the can has been opened. It is very unwise to store an opened tin can in the fridge. Nasty bacterial growth.
Why should you chill food as quick as possible in food safety?
Refrigerating food retards bacterial growth. It does not stop it, it only slows it down.
What indicators does not measure economic growth?
Economic growth can be measured in nominal terms, which include inflation. The growth of an economy is thought of not only as an increase in productive.
Does the number of bacteria recorded by the standard plate count method accurately reflect the total bacterial count from the sample?
No. The standard plate count method is an indirect measurement of cell density of only viable bacterial cells. Optical density counting measure entire bacterial sample, the living as well as the dead bacterial cells.
How do organic and inorganic fertilizers affect soil?
The fertilizer stimulates the microbial growth which further alters the structure of soil microbial community and increases enzyme activity. Bacterial growth is particularly influenced by the type of fertilizer supplied while fungal growth only responds to the amount of fertilizer provided.
Why do economist say that real GDP should be used to measure growth in an economy and not nominal GDP?
Growth in real GDP is the only true indicator of weather or not an economy is growing.
What is the difference between bacterial cidal and bacterial static?
Bacterial cidal kills the bacteria, while bacterial static only stops it from growing and reproducing.
What are penicillins?
narrow range (affects ony gram positive) and resistance bacterial growth
Does a Bacterial cell have only a cell wall?
No, bacterial cell also have phospholipid bilayers.
Can antibiotics be prescribed by a physician to treat both viral and bacterial infections?
only bacterial
