The energy needed to get a reaction started is the

a. enzyme energy.

b. activation energy.

c. catalyst energy.

d. chemical energy.

Sara tells michael she is 160 centimeter tall while michael says he is 60 inches tall if there are 2.54 centimeters in an inch who is taller

Which of the following will produce the largest ocean waves? A. Strong winds that blow for long periods of time over small distances. B. Strong winds that blow for a long time over a great distances. C.

If you put ouabain, an inhibitor of the Na+-K + pump, on a neuron and then stimulate the neuron repeatedly, what do you expect to happen to action potentials generated by that neuron?

Complete the sentences about the Cori cycle. Muscles break down into, which undergoes glycolysis. The end product of glycolysis in active muscles is, which is transported in the blood. The liver uses energy from to drive.

One can safely assume that the 3s - and 3p-orbitals will form molecular orbitals similar to those formed when H 2s - and 2p-orbitals interact. According to molecular orbital theory, what will be the bond order for the Cl2 + ion? a. 0.5 b. 1 c. 1.5 d.

Which of the following do scientists use to form a hypothesis?.

How many moles of carbon are in 7.87x10^7 carbon molecules?

The phases of the moon are caused by the changing positions of the Earth and the Moon in relation to the Sun. Which items could best be used to represent the Sun, the Earth, and the Moon in a model that shows the phases of the Moon? A.

Describe your observations of the original solutions. Describe your observations when the silver nitrate was added to the sodium chloride solution.

A gas occupies 18.5L at stp. what volume will it occupy at 735 torr and 57°c?