Answer:
"Onion root tips are good to use when studying cells undergoing mitosis because root tips grow rapidly, so there will always be cells undergoing different parts of mitosis."
Explanation:
1) Relying on computers and not going to the field. Sometimes a technical or software fault could lead to a wrong prediction. it could be a new forecaster who does not know the weather patterns and so follows the computer model instead of stepping outside and actually feeling the weather
2) The atmosphere always changes with natural disasters occurring such as pollutants in the air that make forecasting difficult.
3) Most of the times meteorologists base their forecasts on probability. Because of differences in the climate, those temperatures are not the same, so errors occur.
Hope this helps
Ribosomal RNA (rRNA) associates with a set of proteins to form ribosomes. These complex structures, which physically move along an mRNA molecule, catalyze the assembly of amino acids into protein chains. They also bind tRNAs and various accessory molecules necessary for protein synthesis.
Because the surface of a leaf is smooth if the surface was rough the water would get stuck but it is smooth so the water just rolls off