Q: Q: What filters pathogens and worn out red blood cells from the blood? Choices: - the bladder - the stomach - the pancreas - the spleen A:
A: the spleen

Q: Q: Silencing genes through epigenetic mechanisms is commonly practiced on what type of uncontrolled cells? Choices: - giving cells - neutral cells - innoculous cells - cancer cells A:
A: cancer cells

Q: Q: Potential differences from various voltage sources are necessary in order to create electrical fields, which result in what flow of charge? Choices: - voltage - output - wattage - current A:
A: current

Q: Q: What is the amount of energy required to begin a chemical reaction known as? Choices: - decomposition energy - reaction energy - positive energy - activation energy A:
A: activation energy