The phase of cell division in which chromosomes align on the spindle equator halfway between the spindle poles is a. metaphase. b. telophase. c. anaphase. d. prophase.

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

The cluster of developing cells from conception until birth is called an

Speed is the ratio of the distance of an object moves to