A. A. A stress test can be used to test for heart disease. Stress tests are tests performed by a doctor and/or trained technician to determine the amount of stress that your heart can manage before developing either an abnormal rhythm or evidence of ischemia (not enough blood flow to the heart muscle).
The four types of organic compounds are carbohydrates, lipids, proteins and nucleic acids. Organic molecules contain the elements carbon and hydrogen, and they are found and made in living things. Keep Learning.
Organic molecules can. contain hundreds or even thousands of atoms that can be arranged in many ways. The table above. compares the four groups of organic compounds that make up all living things â carbohydrates, lipids, proteins, and nucleic acids. Carbohydrates Carbohydrates are organic molecules that supply energy for cell processes. Sugars and. starches are carbohydrates that cells use for energy.