Answer:
If all the bacteria are removed from the earth, all the organisms are negatively affected.
Explanation: There are also some beneficial bacteria which helps in the nitrogen fixation called Nitrogen fixing bacteria such as Cyanobacteria and Azotobactor. These bacteria fixes atmospheric nitrogen into ammonium and nitrates form because plants are unable to use the atmospheric nitrogen, it only use nitrogen in ammonia and nitrates form. Plants absorb nitrates and form amino acid.
Mitosis is split into 4 phases.
P - prophase
M - metaphase
A - anaphase
T - telophase
During Metaphase, Chromosomes align singly along the metaphase plate.
During Anaphase, kinetochore microtubules shortens and non-kinetochore microtubules lengthens, allowing the chromosomes' centromeres to separate.
Therefore, the answer is anaphase.
P. S. centromeres separates, not split.
It brings a transport liquid into close contact with all cells in the body
Answer:
stabilize condensed chromosomal DNA during transcription.
Explanation:
Histones are the proteins that are involved in the packaging of DNA in the nucleus. The histones are basic and are positively charged proteins that form the core and allows the wrapping of the DNA around it.
This wrapping around the histones forms nucleosome structure which further compact to form the chromosomes. The studies on histone proteins have suggested that they stabilize the condensed DNA during the process of transcription which is related to the gene expression.
Thus, the selected option is correct.
Diffusion happens in living systems for example it explains the movement of carbon dioxide in leaves. Plants absorbs water from the soil by osmosis through their roots hair cell. Animals molecules enter the body cells and waste products are removed.
