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kaheart [24]
4 years ago
6

The twenty-first pair of chromosomes failed to separate during meiosis, so aziz received three of these chromosomes rather than

the normal two. aziz has __________ syndrome.
Biology
1 answer:
Tom [10]4 years ago
4 0
The twenty- first pair of chromosomes failed to seperate during meiosis, so aziz received three of these chromosomes rather than the normal two. Aziz has down syndrome.
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which example shows a a physical change a. Rust b. digesting food c. a burning candle d. melting ice
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I think it's A, because a burning candle is changing a solid into a liquid. And Melting Ice is doing the same. Rust is something Physical turning into something different, but still physical.

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4 years ago
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When an animal cell is placed in a hypotonic solution, _____.
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It will gain water and may burst

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o-na [289]

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The enveloped viruses are resistant to disinfectants.

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The virus that lyses and kills the cell immediately is less worse than the enveloped virus. The virus that kills cells immediately prevents the host cell from continuously synthesizing new virus particles. Thus, no more viral particles can be produced by the host cell. So, envelope viruses are worse that viruses that directly kills the host cell.  

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