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Ksenya-84 [330]
3 years ago
8

Cancerous cells form as a result of...

Biology
1 answer:
ohaa [14]3 years ago
6 0
<span>B) Abnormal cell division
</span>
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Why are region called promoters essential to RNA transcription?
slega [8]

Answer:

A promoter is a region of DNA where transcription of a gene is initiated. Promoters are a vital component of expression vectors because they control the binding of RNA polymerase to DNA. RNA polymerase transcribes DNA to mRNA which is ultimately translated into a functional protein.

hope that helps :)

4 0
3 years ago
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Si se rompe un utensilio de cristal en un laboratorio, cómo se recoge?
stiks02 [169]

Answer:

Si se nos rompe un material de vidrio:

o Lo recogeremos inmediatamente para evitar cortes.

o Usaremos guantes anticorte con la suficiente protección para

recogerlos. Los guantes de trabajo de piel flor vacuno son suficiente.

o Si se nos rompe una pieza de vidrio mientras estamos fregando

tendremos especial ya que el agua dificulta la visión del vidrio.

o Si es necesario descontaminaremos los trozos antes de retirarlos.

o Introduciremos los trozos en un recipiente cuyas paredes no pueda

perforar con objetos de evitar cortes a otras personas.

o Nunca lo depositaremos directamente en una papelera, al coger la

bolsa el personal de limpieza puede cortarse.

o El vidrio no contaminado por productos químicos puede depositarse

en los contenedores de vidrio para reciclar. Si lo hacemos así el medio

ambiente nos lo agradecerá.

o El vidrio contaminado con productos peligrosos, como termómetros

de mercurio rotos, lo gestionaremos como residuo peligroso.

Debemos separar los residuos según el tratamiento que se les va a dar,

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4 0
3 years ago
Organisms that cannot
zubka84 [21]

Answer:

D. Adapt to environmental change

Explanation:

Organisms that cannot adapt to environmental change will die off. Our Earth is constantly changing. It is vital that organisms change with it.

8 0
3 years ago
Why do scientists refer to charles darwin’s ideas about evolution as the theory of evolution?
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<span>Charles Darwin theory is theory of biological </span>evolution, that explains how modern organisms evolved over long periods of time through descent from common ancestors. Evolution is the process of change over time and Darwin explains in his theory the changes in humans over time and <span>shows how the living world is constantly changing.</span> This is the reason why cientists refer to charles darwin’s ideas about evolution as the theory of evolution.
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3 years ago
Why are insulin levels in the blood an important marker for overall health in addition to cholesterol levels?
zvonat [6]
They are markers because their blood level can tell about the human's metabolism, and can predict diseases.

Cholesterol is a natural fat essential to the body. It allows, among other things, the synthesis of vitamin D or bile. It is a constituent of the wall of our cells. Finally, it is part of many hormones, such as sex hormones.Cholesterol has been identified as responsible for certain cardiovascular diseases such as myocardial infarction and stroke.
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4 years ago
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