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Nataliya [291]
2 years ago
14

Why are some samples stained before viewing them?

Biology
2 answers:
Snezhnost [94]2 years ago
8 0
Some samples are transparent, or very difficult to see, therefore, they are stained in order to be seen more clearly and easier to work with.

During eye surgery, the clear layer of the eye is stained to be easily extracted, if it was clear then the surgeon might cut the eye instead of just the layer.

Hope this helps, u might want to search online for more info.
zavuch27 [327]2 years ago
8 0
With DNA and small samples of organisms they are often transparent or very difficult to see. When you are viewing samples with a microscope the samples are so small that they are near about invisible to see as they are about half a micrometer thick or at times even smaller. The sample is placed in paraphin or epoxy, allowed to harden and then cut by a glass or crystal knife. The samples are then stained and placed under a microscope for viewing. The staining process can produce brilliant and beautiful designs from the crosssamples of these organisms.
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Explain the difference between the zone of aeration and the zone of saturation.
KiRa [710]

Answer:

The soil and rocks in the zone of aeration have pores which are partially filled with water and air. The zone of saturation comprises rocks and soil whose pores are saturated with water. 3. The zone of saturation lies beneath the water table, while the zone of aeration lies above it.

Explanation:

8 0
2 years ago
Pls help i dont understand :( will give Brainliest + 25 points!!
lidiya [134]
Your answer would be C :))





hope that helped :))
4 0
2 years ago
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Which of the following is a function of the nucleus?
ra1l [238]
Builds protein is the correct answer
8 0
2 years ago
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Question 2 (1 point)
Margaret [11]
I’m sorry no blue Cheetos or pink bubblegum is stored in a plant cell
6 0
3 years ago
Prokaryotic bacteria are surrounded by a ____________ that contains the ____________ to regulate the entry and exit of materials
lukranit [14]

Prokaryotic bacteria are surrounded by a cell membrane that contains the transport proteins to regulate the entry and exit of materials through the cell, the cell wall to help maintain cell shape and structure, and the capsule, which aids against drying out and protects bacteria from a host's immune system.

<h3><u>Explanation:</u></h3>

Bacteria are the prokaryotic organisms that are found in every part of Earth. These organisms do have an interesting ultrastructure. The coverings of the bacteria are three in layer. They are

A. The outer capsule.

B. The middle cell wall.

C. The inner cell membrane.

The capsule is the outermost covering of bacteria that is formed of different slimy materials. These materials contains hygroscopic substances which can absorb water from the surroundings even when the water concentration in outside is very very low. This layer of protection outside bacteria help them to protect themselves against drying out at dry conditions.

The middle cell wall is formed of polymers of N acetyl glucosamine and N acetyl muramic acid. This layer is chitin in nature and is strong enough to maintain the shape and size of bacteria irrespective of outer conditions.

The innermost layer of bacteria is cell membrane which is formed of proteins and lipids bilayer and this cell membrane contains different transport for proteins which help in transport of different substances like water and nutrients inside the cell by means of active transport or passive diffusion.

6 0
3 years ago
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