What Molecules Enter the Krebs Cycle & What Molecules Leave the Krebs Cycle?

Answer Glucose is broken down into useable energy during the process of cellular respiration. The Krebs cycle is the second of three main steps that comprise cellular respiration in the presence of oxygen... Read More »

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What Are Molecules Made Up of?

Since ancient times, man has wondered about the make-up of the world around him. Early philosophers postulated that matter was composed of various amounts of the "classical elements" -- earth, wate... Read More »

What is the function of cholesterol molecules?

Although high levels of cholesterol can lead to heart disease and stroke, cholesterol does have important functions in your body. It has a role in eliminating excess fat, transporting nutrients an... Read More »

What is the total density of molecules?

Density is the mass of an object divided by its volume. In dealing with molecules, a scientist must calculate the number of electrons, protons and neutrons that compose the molecule. Another factor... Read More »

What are small molecules called?

A molecule is a minuscule group, invisible to the naked eye, that is made up of more than one atom. A molecule is electrically neutral and the atoms are held together with extremely strong chemica... Read More »