To identify the host cell that has taken up the gene of interest
Answer:
Mechanical barriers — which include the skin , mucous membranes , and fluids such as tears and urine — physically block pathogens from entering the body. Chemical barriers — such as enzymes in sweat , saliva , and semen — kill pathogens on body surfaces.
A star is born from the milky way. Believe it or not
The endoplasmic reticulum transports proteins around the cell, so when the ribosome makes the protein, the endoplasmic reticulum transports it to the Golgi body for further processing.
