Before a cell divides, an exact copy of each chromosome is made up by the process of mitosis. It <span> is a part of the cell cycle when replicated chromosomes are separated into two new nuclei. Hope this answers the question. Have a nice day.</span>
Answer:
B. a decrease in the number of pathogens in the body
Explanation:
White blood cell includes immune cell like monocytes, macrophages, neutrophils, basophils, eosinophils, etc. These cells are responsible for fighting with the pathogens or foreign molecules and eliminate them from the body.
So when any pathogens get enter in the body these cell kills those pathogen and protect us from them. Therefore the decrease in the number of pathogens in the body is a direct indication that the white blood cells in the body are working. So the right answer is B.
Answer:
This group contains producers and consumers.
Explanation:
You can think of viruses as consumers that eat healthy cells in your body. Bacteria are producers, you can think of it like a lake with algee that grows and gets produced.
Answer:
In water molecules the oxygen atom attracts the negatively charged electrons more strongly than the hydrogen. This gives water an asymmetrical distribution of charge so that it is a polar molecule. ... Because the water molecules are small, many of them can surround one molecule of the solute and form hydrogen bonds.
Explanation: