Q: The variation in a sample can be represented by what quantity, which means the total spread of values? Choices: - variety - mode - median - range A:
range

Q: What nervous tissue cells play a supporting role to neurons? Choices: - reissner cells - mammalian cells - axial cells - glial cells A:
glial cells

Q: What is the muscular organ shaped like an upside-down pear that has a thick lining of tissues called the endometrium? Choices: - kidney - lungs - liver - uterus A:
uterus

Q: What property is associated with the number of reactant molecules involved in an elementary step? Choices: - kilocalorie - pollenation - Molecules - molecularity A:
molecularity