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Jet001 [13]
3 years ago
9

John Dalton's theory states that atoms cannot be

Biology
1 answer:
Strike441 [17]3 years ago
4 0
John Dalton's theory states that atoms cannot be destroyed. 
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Cuales son laas funciones del sistema excretor
noname [10]

Answer:

Ayuda a eliminar productos de desecho como la urea, el amoníaco ácido úrico y otros productos a través de la orina.

Ayuda a mantener el nivel osmótico de sangre y plasma.

Ayuda a mantener el equilibrio de electrolitos en el cuerpo.

Y también ayuda en el metabolismo de los medicamentos que no se metabolizan en el hígado.

(It helps eliminate waste products such as urea, uric acid ammonia and other products through urine.

Helps maintain the osmotic level of blood and plasma.

Helps maintain electrolyte balance in the body.

And it also aids in the metabolism of drugs that are not metabolized in the liver.)

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3 years ago
How to remember the word equation for photosynthesis?
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Search this on youtube : <span>Photosynthesis Equation Song - Biology Lesson
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2 years ago
Study the diagram. A student on Earth's surface at position A has just seen the sunrise. Which one
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Answer:

B

The second student has not yet seen the same sunrise.

Explanation:

Because as the day goes on, the sunlight shines on places without light as the earth is rotating.

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2 years ago
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Sodium ions (na+) are essential for
soldier1979 [14.2K]

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it regulates blood volume and blood pressure.

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Explain how the random alignment of homologous chromosomes during metaphase I
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The randomness in the alignment of recombined chromosomes at the metaphase plate, coupled with the crossing over events between nonsister chromatids, are responsible for much of the genetic variation in the offspring. To clarify this further, remember that the homologous chromosomes of a sexually reproducing organism are originally inherited as two separate sets, one from each parent. Using humans as an example, one set of 23 chromosomes is present in the egg donated by the mother. The father provides the other set of 23 chromosomes in the sperm that fertilizes the egg. Every cell of the multicellular offspring has copies of the original two sets of homologous chromosomes. In prophase I of meiosis, the homologous chromosomes form the tetrads. In metaphase I, these pairs line up at the midway point between the two poles of the cell to form the metaphase plate. Because there is an equal chance that a microtubule fiber will encounter a maternally or paternally inherited chromosome, the arrangement of the tetrads at the metaphase plate is random. Thus, any maternally inherited chromosome may face either pole. Likewise, any paternally inherited chromosome may also face either pole. The orientation of each tetrad is independent of the orientation of the other 22 tetrads.

Explanation:

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3 years ago
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