Tissue cultures (samples of cancer cells) are taken from cancer patients, and the cells are then grown in a laboratory. What is the purpose of growing cancer cells in a laboratory? to test medicinal treatments before giving them to patients
to replace cancer cells with healthy cells
to provide evidence of cancer cells in the patient
to stop the cancer from growing in the patient

Talking listening and reacting non verbally are all part of communicating

How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated