Plant nutrition: what is it, essential elements

Plant nutrition: what is it, essential elements

THE vegetable nutrition, or plant nutrition, refers to the study of the inorganic nutrients neede...

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You: second or third person in the speech?

the pronoun you leads us to a relevant discussion about grammatical postulates: would it belong ...

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Diploid and haploid cells

Diploid and haploid cells

We can classify cells, based on the chromosome set, in haploids, diploids and polyploids. In huma...

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Modal verbs: what they are, examples, uses, exercises

Modal verbs: what they are, examples, uses, exercises

You modalverbs,in English, accompany the main verbs to express a particular idea. They have more ...

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Acne, Anthrax and Botulism

Acne: The Propionibacterium acnes is a bacterium from the normal bacterial flora of the skin, but...

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Semicolon. When to use a semicolon

The semicolon has no function of either a period or a comma, but it is an intermediary between th...

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Have or have? How should I use: there? To have?

By the way: are you aware of the so-called “impersonal verbs”? If so, something positive, if not...

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Contraction in skeletal muscles

Contraction in skeletal muscles

You muscles skeletal they are made up of hundreds of elongated cells known as muscle fibers. Thes...

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Dominance and recessivity: what they are and exercises

Dominance and recessivity: what they are and exercises

Dominance and recessivity are two important concepts when we talk about expression of a feature. ...

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Sputnik 1: The first satellite to orbit Earth

Sputnik 1: The first satellite to orbit Earth

Sputnik it was the program name, developed by the Soviets, responsible for sending the first arti...

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The Ministry of Conciliation

During the regency period, the formation of liberal and conservative parties determined the conte...

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Bio-oil. Bio-oil fuel

Bio-oil is a renewable fuel whose raw material is biomass, that is, substances of organic origin ...

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