Factors that influence the reaction rates of chemical reactions include the concentration of reactants, temperature, the physical state of reactants and their dispersion, the solvent, and the presence of a catalyst.
Source: Google
1. The cell wall has lignin (hard substance): to prevent the xylem vessel from collapsing and withstand high pressure.
2. The absence of protoplasm (nucleus + cytoplasm) and cross wall: to allow water to move through the lumen easily.
Hope it helped!
Telemedicine and remote monitoring are pat of a WORKGROUP COMPUTING trend. Telemedicine is the use of networking technology to provide medical information and services remotely. The trend toward online collaboration is called workgroup computing or collaborative computing.
It is described as relatively non specific
If I’m not incorrect, DNA is made from amino acids
