Answer:
Explanation:
A Pure bacterial culture must be grown in sterile tryptophan or peptone broth for 24–48 hours before performing the test. A sterile environment helps to avoid contamination.
When a test is conducted and it shows the presence of a red or red-violet color in the surface alcohol layer it means the result is positive
But when the colour is yellow it indicate negative reaction due to glucose fermentation.
A deviation from two color may also occur when we have an orange color. This colour change is due to the presence of methyl indole
When there is no color change this indicate No decarboxylase which is an enzyme needed for the fermentation reaction.
Color changes are indicator of how successful the reaction was.
Answer:
100 meters
Explanation:
all you need to do is 10 squared or 10 times 10
C)No, the human body is made of many types of cells. It is also made of white blood cells, tissue cells, etc.
Alien technology was born With the Egyptians in 30000 bc
humans have 46 chromosomes. the sperm and egg cell carry 23. I don't know the answer to the second im only in 9th grade and everything I answer is from the top of my head SORRYYY
