List the major subdivisions or components for each of the four types of compounds carbohydrates lipids proteins and nuclear acids with in living organism

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

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