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Aleonysh [2.5K]
3 years ago
5

Which of the following is true about elements?

Biology
1 answer:
AleksAgata [21]3 years ago
4 0

Answer:

I believe the answer is D or B.

Explanation:

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Explica el impacto del desarrollo de las técnicas moleculares en los sistemas de clasificación de los organismos.
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Answer:

Las técnicas moleculares, especialmente aquellas basadas en la manipulación del material genético, permitieron automatizar el proceso de identificación y clasificación de especies

Explanation:

Las técnicas moleculares usadas para la clasificación de organismos son aquellas principalmente relacionadas a la manipulación de su material genético. En especial, las técnicas de extracción de ADN, amplificación mediante la reacción en cadena de la polimerasa (PCR) y posterior secuenciación han posibilitado automatizar el proceso de clasificación de organismos. Los marcadores moleculares de ADN basados en secuencias génicas evolutivamente conservadas tales como, por ejemplo, la secuencia del gen Citocromo Oxidasa I (COI) en animales, son ampliamente usados para automatizar este proceso de identificación y clasificación de nuevas especies.

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2 years ago
The diagrams below show a cross-section of an environment in which there are no earthworms present and a cross-section of an env
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5 0
3 years ago
What is aphids? explain in easy words ​
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They are little soft bodied insect. They suck the plant's nutritious liquid and if they are in large number, they can kill the plants.

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3 years ago
a hypertonic salt solution has a higher concentration of solutes than a blood cell. explain what happens when a blood cell is pl
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Answer: When a blood cells is place in Hypertonic solution, water will rush out of the cell, the cell will shrinks or crenates. This is because the solute concentration outside the cell is greater than solute concentration inside the cell.

Explanation:

Hypertonic solution is a solution that have greater or higher solute concentration outside the cell compare to the solute concentration inside the cell.

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3 years ago
All of the following are problems caused by burning coal, except
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Answer:

D)radioactive waste is produced

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Radioactive waste is a dangerous waste material which contains radioactive substances that are bad for health. These waste are produced in the nuclear reactor for the production of electric energy. Radioactive substances cause many diseases in human such as burning of skin and cancer. It is a non-biodegradable substance which remains in the soil for long periods of time and emit alpha, beta and gamma radiations.

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2 years ago
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