4)The simulation microscope gives you a choice of objectives at three levels of magnification: 4x, 10x & 40x. The simulation allows you compare the eggs & sperm at each objective. Notice the significant difference in size between these two types of gametes. Based on this comparison, which objective do you think would be the first one that would allow you to observe a sperm merge with an egg? a)4x b)10x c)40x
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.
4)The simulation microscope gives you a choice of objectives at three levels of magnification: 4x, 10x & 40x. The simulation allows you compare the eggs & sperm at each objective. Notice the significant difference in size between these two types of gametes. Based on this comparison, which objective do you think would be the first one that would allow you to observe a sperm merge with an egg?
a)4x
b)10x
c)40x
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