In an electron microscope, what type of cells are used? Question 33 options: live and fresh cells dead, processed cells live, processed cells dead, but fresh cells
Microscopic examination
The analysis of minute organisms, cellular organization of any biological structure, and composition of body fluids with the help of a microscope is known as microscopic examination. The magnification of specimens or samples under study helps in attaining a clearer picture of it.
Gram Staining
Named after Hans Christian Gram, a Danish bacteriologist, Gram stain is one of the most powerful staining techniques within microbiology. This technique was introduced in 1882 to identify pneumonia-causing organisms. The Gram staining technique uses crystal violet or methylene blue as primary staining colors to distinguish gram-positive from gram-negative organisms. Under a microscope, the gram-positive organisms appear purple-brown, retaining the primary color. Gram-negative organisms appear pink or red as they do not acquire the color of the primary stain.
![In an electron microscope, what type of cells are used?
Question 33 options:
live and fresh cells
dead, processed cells
live, processed cells
dead, but fresh cells](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84d305fc-e861-4250-8822-5e6a32ff70d4%2F2fd2ff86-5737-42dc-9f9e-bc7234c88b3d%2Fp7auavw_processed.jpeg&w=3840&q=75)
![What is the term for an observable phenomenon in nature that is widely supported with empirical evidence; it tells us something
happens, but not the why or how?
Question 32 options:
Scientific Law
Scientific Theory
Alternative Hypothesis
Null Hypothesis](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84d305fc-e861-4250-8822-5e6a32ff70d4%2F2fd2ff86-5737-42dc-9f9e-bc7234c88b3d%2Fphwuggg_processed.jpeg&w=3840&q=75)
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