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svetlana [45]
3 years ago
11

What happens during prophase​

Biology
2 answers:
lawyer [7]3 years ago
5 0

Answer:

Prophase is the first phase of M-phase of cell division which is marked by many changes taking place in the dividing cell which are:  

1. Chromatin condenses and becomes more coiled.

2. Chromosomes are seen as a pair of sister chromatids with a centromere.

3. Nucleolus-site of rRNA synthesis disappears.

4. Mitotic spindle- formation begins between two pairs of centrioles.

5. Nuclear envelope- disappears at late prophase.

Elan Coil [88]3 years ago
4 0

Answer:

Chromosomes become visible, the nucleolus disappears, the mitotic spindle forms, and the nuclear envelope disappears. Chromosomes become more coiled and can be viewed under a light microscope. ... The nuclear envelope disappears at the end of prophase.

Explanation:

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According to the current, predominant understanding of the disorder, genetic factors alone are enough to produce schizophrenia.
Assoli18 [71]

Answer:

The answer is FALSE.

Explanation:

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Natasha2012 [34]

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3 years ago
Black coffee has a pH around 5; hand soap has a pH of 10. How many times more acidic is coffee relative
Anon25 [30]

Answer:

\boxed {\boxed {\sf 10^5 \ or \ 100,000 \ times \ more \ acidic}}

Explanation:

The pH scale stands for the power or potential of hydrogen. It measures how acidic or basic a solution based on the concentration of hydrogen ions and a scale from 1 to 14.

This scale is unique because it is logarithmic. So, every time the pH changes by 1 on the scale, the actual concentration of the solution increases or decreases by a tenfold.

So, a solution with a pH of 7 is ten times more acidic than a solution with a pH of 8. This can be translated to:

10^ {difference \ in \ pH}

The black coffee has a pH of 5 and the hand soap has a pH of 10. We want to find how many times more acidic coffee is, so we subtract 5 from 10 and get 5. The difference in pH is 5.

10^5=100,000

Coffee is <u>10⁵ or 100,000 times more acidic than hand soap.</u>

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