The primary function of the respiratory system is to supply blood with oxygen
Humans have an impact on species migration both through climate change and by changing the landscape. ... Both plants and animals will have to respond to the changing climate. In some cases, this means adapting to higher temperatures.
Nucleotides is the answer: they have a phosphate group, a deoxyribose sugar, and a nitrogenous base.
During mitosis, the number of individual chromatids that will align during metaphase is 4 and the sister chromatids are not paired up each other.
During meisos I, the number of individual chromatids that will align are 4 and during meisos II, also 4. The sister chromatids will pair up with each other during meisos I and II.
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