Limiting the activity of microbes in food can be accomplished by
A. pasteurization.
B. cold storage.
C. lowering the pH.
D. growth inhibiting substances.
E. All of the choices are correct.
E. All of the choices are correct.
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The “trigger zone” of a neuron is found at the ____
a. axon terminal b. dendrite terminal c. cell body d. axon hillock e. synapse
Describe how adding a phosphate to ATP or removing a phosphate group from ATP stores or releases energy.
What will be an ideal response?
Monoclonal antibodies are useful in treating cancer when radioactive materials or tumor-killing drugs are attached to them. How is it that these cancer-killing methods are delivered only to the tumor and not to other, healthy cells?
A) Antibodies will stimulate the actions of T helper cells to fight the cancer. B) Antibodies will attach to any cancer cell found, even if there are several different types present. C) Antibodies will stimulate the actions of cytotoxic T cells to fight the cancer. D) Antibodies will specifically bind to the antigen target for which they are designed, here a cancer cell.
Which ion channel is primarily responsible for the action potential?
A. The voltage-gated potassium channel B. The non-gated sodium channel C. The voltage-gated sodium channel D. The ligand-gated sodium channel E. The ligand-gated potassium channel