A researcher discovers that a cell is using a particular molecule to store energy for time spans longer than several minutes. Which 2 molecules could possibly be the type of molecule that the researcher
examined? Hint: Biochemistry Unit.
i. ATP or ADP
ii. ATP or carbohydrate
iii. Carbohydrate or lipid
iv. Lipid or protein

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Which food could be transported in a galvanized metal container?

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel