The significance of Setting Time for Cement. When cement is mixed with water, it hydrates and makes cement paste. This paste can be molded into any desired shape due to its plasticity. Within this time cement continues with reacting water and slowly cement starts losing its elasticity and starts toRead More →
An electron microprobe (EMP), also known as an electron probe microanalyzer (EPMA) or electron micro probe analyzer (EMPA), is an analytical tool used to non-destructively determine the chemical composition of small volumes of solid materials. What is microanalysis material? Microanalysis is one method used to observe pore sizes directly afterRead More →
Phospholipids, proteins and enzymes. Which organelle has its own DNA? Chloroplasts and mitochondria are subcellular bioenergetic organelles with their own genomes and genetic systems. Which organelle does not contain DNA? Ribosomes are cell organelles that lack a film. Ribosomes do not contain any DNA. Hence, option C- Ribosome is theRead More →