The correct order of steps in a gram staining procedure is:
(4) the specimen is treated with a stain called crystal violet.
(1) iodine is added as a fixative or mordant.
(3) the specimen is flushed with alcohol to dehydrate peptidoglycans and trap the stain.
(2) the specimen is treated with a stain such as safranin or fuchsin (a pink stain)
Gram staining is a common staining technique which helps to classify the bacteria into two categories: Gram positive and Gram negative. Gram positive bacteria appear violet in color and Gram negative bacteria appear to be pink. This color difference appears due to the difference in the bacterial cell walls.
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Answer:
Most birth defects can't be prevented, but you can take some steps to reduce the likelihood of environmental effects. Remember to always discuss your concerns with your healthcare provider and follow their instructions regarding screening tests, medications, etc.
Explanation:
Answer: These are known as <u>pathogens.</u>
Additional:
- Anthrax is caused by <u>Bacillus anthracis</u>
- Strep throat is caused by <u>Streptococcus pyogenes</u>
- Tetanus is caused by <u>Clostridium tetan</u>
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I hope my answer helped ⛄️
I think the answer is C, Lizards evolved after Sponges.
Based on the cladogram, the sponges are higher at the chart than the lizards, giving the impression that they came first.
Hope this helps!
Answer:
B)
Explanation:
The Endangered Species Act of 1973 is an act that enforces the legislation of the Convention on International Trade in Endangered Species mostly on Wild Fauna as well as Flora. That being said Bob Davidson described this act as an effective tool by establishing public empathy for charismatic species provides an opportunity to educate people about lesser-known species, such as the Wild Fauna and Flora.
