Define centrifuge
What will be an ideal response?
A machine that spins substances such as blood in order to separate differing densities within the spun matter.
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Autonomic function receives input from all these except ________
A) cerebral cortex B) hypothalamus C) spinal cord D) somatic branch of the peripheral nervous system E) medulla oblongata
The ________ root of a spinal nerve consists of motor neuron axons.
Fill in the blank(s) with the appropriate word(s).
A mutation occurs in a gene that is important to the production of MHC Class II molecules. Which of the following statements accurately describes the ramifications of such a mutation?
A. Such a mutation will alter the ability of NK cells to detect tumor cells in the body. B. There will not be a negative impact because the mutation affects a rare class of MHC molecules that are only functional later in life. C. Such a mutation inhibits cytotoxic T cell function since these cells will not be able to interact with other cells of the body. D. Such a mutation will hinder antibody production due to the lack of interaction between B lymphocytes and helper T cells.
Which hormone stimulates the uptake of glucose by cells, lowering the concentration of glucose in the blood?
A) epinephrine B) cortisol C) insulin D) glucagon