Acetylcholine is actually a class of neurotransmitters that are essential for skeletal muscle contractions.

Water’s ability to pass in and out of a phospholipid bilayer is referred to as which of the following?

Select the best answer. (A)  The nucleus of an atom contains (B)  electrons are located the nucleus (C)  The charge on the proton is (D)  The charge on an electron is

Taste receptors are found where in the taste bud?

If a rod or cone is hyperpolarized, which of the following happens?

During depolarization of an action potential which of the following channel proteins are closed. Select all that apply.

The majority of the bodies sensory receptors are found in the eye.

Select the organ systems is the renal artery part of.

Our ability to hear sound is the result of stimulation to what kind of receptors?

Which of the following would NOT help moving a memory into our long-term memory?