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In details

The library

The library (from the Greek karyon, nucleus and theke, casing, box) is a envelope formed by two lipoprotein membranes whose molecular organization is similar to other cell membranes. Between these two membranes there is a narrow space called the perinuclear cavity. The outer face of the library, in some parts, communicates with the endoplasmic reticulum and often has ribosomes attached to its surface.
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Soil is a great filter

In order to obtain healthy plants and a productive garden, the soil must contain water. Water holding capacity depends on soil type. Water, as a solvent liquid, dissolves the salts in the soil, so that plants can absorb them. Not all rainwater flows directly into streams, streams and rivers.
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Mitosis

Mitosis is a continuous process of cell division, but for didactic reasons, to better understand it, we will divide it into phases: prophase, metaphase, anaphase and telophase. Some authors often cite a fifth phase - the prometaphase - intermediate between prophase and metaphase. The end of mitosis, with the separation of the cytoplasm, is called cytokinesis.
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Information

Protist Classification

The classification of protozoa is based primarily on the types of reproduction and locomotor organelles. The locomotion is done by ciliary, flagellar, emitting pseudopods and even by sliding the whole cell body. In some ciliates there are, instead of the cytoplasm, contractile filaments, the myonemes.
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How do scientists work?

Have you ever watched a movie that had a crazy scientist? Perhaps because of the image of these films, many people think that scientists are fantastic beings, geniuses or crazy people that make everything explode. So let's discuss who scientists are and what their role is in our society. Scientists are tasked with observing, researching, classifying methods and, in collaboration with other professionals, such as laboratory technicians and university students, create effective tools for better understanding nature, especially living beings and their interactions with scientists. the environment.
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