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Papessa [141]
3 years ago
5

Cells from an advanced malignant tumor most often have very abnormal chromosomes, and often an abnormal total number of chromoso

mes. Why might this occur?

Biology
1 answer:
Vera_Pavlovna [14]3 years ago
4 0

Answer:

This happened because the check points in cell cycles are not working properly which can help to stop cells having abnormal chromosomes.

See the attachment for proper understanding what actually happened in cell cycle check points.

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Which climate is a subcategory of temperate marine climates? O arid
gogolik [260]

Answer: Humid subtropical

Explanation: There are three kinds of temperate marine climates: marine west coast, humid subtropical, and mediterranean. Marine west coast climates are the coolest temperate marine climates. Humid ocean air brings cool, rainy summers and mild, rainy winters. Mediterranean climates are drier and warmer.

6 0
3 years ago
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Explain what may happen to a person if one or more of their DNA bases was deleted. Be specific. (hint: Think about the domino ef
Contact [7]

Answer:

If one or two bases are deleted the translational frame is altered resulting in a garbled message and nonfunctional product. A deletion of three or more bases leave the reading frame intact. A deletion of one or more codons results in a protein missing one or more amino acids. This may be deleterious or not.

Explanation:

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3 years ago
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Which factor most likely caused animals and plants in India to differ greatly from species in nearby southeast Asia?
Dominik [7]

Answer:

India was a separate continent until 45 million years ago

Explanation:

India was part of the Gondwanaland continent which was one of the two remnants of Pangaea, while Asia was part of Laurasia, the other remnant of Pangaea. Because these two land masses were separate, the animals and plants were evolving separately for millions of years. India further separated from Gondwanaland, and it was actually a very large island for millions of years, resulting in isolation and development of unique animals and plants because of it. As India was moving it reached Asia and collided with it, thus becoming one land mass. Some Asian species managed to get in India, but mostly in its northern parts, while the central and southern parts remained dominated by the indigenous species. The Himalayan Mountain Range that formed because of the collision also helped in preserving lot of the indigenous species as it became a natural barrier that most species can not go through.

6 0
3 years ago
DNA. We have heard that we are a product of our DNA. But where is it? How do we "get" our DNA? It is passed to us, from our pare
tresset_1 [31]

<span>The answer is: This is a cell (B) with a nucleus (C) containing DNA (A). The DNA is organized into chromosomes (D). A section of the chromosome that codes for a trait is called a gene (E).</span>
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3 years ago
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The enzyme that is responsible for replacing molecules of dna by attaching complemnetary bases in the correct sequence is
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DNA polymerase

I hope that helped
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