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VARVARA [1.3K]
4 years ago
10

What is the use of protist in biological research?​

Biology
1 answer:
oee [108]4 years ago
4 0

Answer:

The protists include plant-like organisms such as algae, animal-like organisms such as amoebas, and fungus-like organisms such as slime molds. They are also very important to us. ... The slime molds are important to ecosystems because they are decomposers, which release vital nutrients back into the environment.

Explanation:

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What are the steps of meiosis
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Answer:

In meiosis I there is prophase I, metaphase I, anaphase I, and telophase I and then in meiosis II there is prophase II, metaphase II, anaphase II, and telophase II.

Explanation:

In meiosis I we have;

Prophase I in which a pair of homologous chromosomes line up and form a tetrad. This is the stage during which genetic recombination occurs.

Metaphase I occurs, during which the homologous chromosomes line up opposite each other at the metaphase plate. The chromosomes orientate themselves randomly, thus homologous chromosomes are distributed randomly to daughter cells .

In Anaphase I, homologous chromosomes move to opposite sides of the cells but sister chromatids remain together. Each cell now has 23 chromosomes.

Telophase I in which the homologous chromosomes move to the poles and cytokinesis occurs. Two daughter cells are formed.

In meiosis II we have;

Prophase II (note: there is no interphase as seen in mitosis) during which chromosomes start to move to the metaphase II plate. There is no replication.

Next is metaphase II when the chromosomes align at the metaphase II plate.

In anaphase II the sister chromatids separate from each other and move towards opposite poles.

Lastly, in telophase II cytokinesis occurs again and four daughter cells are produced. Each of the four daughter cells has 23 chromosomes.

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Which of the following describe the role of enzymes in digestion? Select all that apply.
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