20) one difference between carbohydrates and lipids is that a) lipids will dissolve in water but not carbohydrates. b) carbohydrates will dissolve in water but not lipids. c) carbohydrates contain hydrogen, carbon, and oxygen and lipids do not. d) lipids contain hydrogen, carbon, and oxygen and carbohydrates do not.

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy