Researchers established a number of cultured cell lines derived from different tumors. How might they determine which ones are malignant? Identify the ones with elevated rated of apoptosis
Identify the ones with aberrant chromosome number or structure
Identify the ones with elongated cell cycles
O
Identify the ones that grow in a single layer in culture

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.