Pressure tightness and squeezing
This might have been the cause of not being exposed to this specific pollen during his years in Chicago. Allergic reactions can develop when the stimuli presented even when its not contagious causes the immune system to trigger and act in a defensive stance. This delayed effect may have been the cause of the sudden expression of the immune system.
Answer:
carbon, hydrogen, oxygen, nitrogen, and phosphorous
Explanation:
The phosphate groups allow the nucleotides to link together, creating the sugar-phosphate backbone of the nucleic acid while the nitrogenous bases provide the letters of the genetic alphabet. These components of nucleic acids are constructed from five elements.
Cos they dont have vascular structure that can defeat gravity and transport water and minerals
The nucleus is the control center of a cell in eukaryotes. It is protected by the nuclear membrane. The nucleus holds all of the cell’s genes, which are segments of DNA, found in the chromosomes.
