What are chromatids and how do they differ from chromosomes

1 answer:

7 0

Chromatids are only called as chromatids when they are sister chromatids, meaning that when chromosome have two double stranded DNA attached together, each of the double stranded DNA is a sister chromatid, and while the whole thing (the two sister chromatids that are attached together) is called a chromosome.

So after the DNA has been replicated, the chromosome consist of 2 sister chromatids, attached to each other at their centromere.

Overall, sister chromatid is one of the two double stranded DNA in a replicated chromosome, and chromosome is the whole "X" shape that we see. For example, in humans, after the S phase of interphase in the cell cycle, we have 46 chromosomes, with 92 chromatids, since each chromosome is an "X" shape, by having two sister chromatids.

Hope this helps!

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Which of the following events takes place in the electron transport chain?A) the breakdown of glucose into two pyruvate molecule

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Explanation:

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Make a decision about the molecule NaHCO3 classification organic or inorganic

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<u>Answer:</u>

$NaHCO_{3}$ is an inorganic compound.

<u>Solution:</u>

Firstly, all the known definitions of organic compounds excludes Carbonic acid and it's salt from organic compounds except if 'C' is present in the cation.
Secondly, Sodium is a metal which organic compounds cannot posses as a compound.
Lastly, there is absence of C-H bond which is present in all the organic compounds.

Hence, we can conclude that $NaHCO_{3}$ is an inorganic compound though there is presence of Carbon atom in it.

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