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KatRina [158]
3 years ago
6

PLEASE HELP DUE QUIZZZ PLEASE!!!

Biology
1 answer:
Ilia_Sergeevich [38]3 years ago
3 0
June 28, 1978 NASA launched it
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The amount of lactic acid in the blood was measured in subjects after various amounts of time running. How does the respiration
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You INCORRECTLY perform an acid-fast stain on a smear from a mixed culture of Mycobacterium smegmatis (acid-fast) cells and Stap
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Answer:

In acid-fast staining, carbon fuchsin is used as a primary stain which dissolves the mycolic acid present in the cell wall of <em>Mycobacterium smegmatis </em>and penetrates through it which results in staining <em>Mycobacterium</em> red.

Staphylococcus aureus cell wall does not contain mycolic acid so carbon fuchsin does not penetrate its cell wall, therefore, it becomes colorless after destaining with acid alcohol.

After destaining step methylene blue is added to stain non-acid-fast bacteria blue. So if I mistakenly forgot to use methylene blue during the procedure <em>Mycobacterium smegmatis</em> will appear red due to carbon fuchsin present in their cell wall and S<em>taphylococcus aureus</em> will appear colorless because it is destained.

5 0
3 years ago
Freely movable joint is also known as synovial joint why​
I am Lyosha [343]

Answer:

Why are synovial joints freely movable?

Diarthroses are freely movable articulations. ... The bones of a synovial joint are covered by a layer of hyaline cartilage that lines the epiphyses of joint ends of bone with a smooth, slippery surface that does not bind them together. This articular cartilage functions to absorb shock and reduce friction during movement.

Explanation:

please give me brainly got my answer from G00GLE so of course its correct hope i helped!!!

3 0
3 years ago
Read 2 more answers
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