Tumor cells of the immune system that produce large quantities of antibodies and can be readily cultivated are called ________.
A. lymphoma
B. myeloma cells
C. monoclonal antibodies
D. All of the choices are correct.
Answer: B
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The process of inducing a cutting from one plant to fuse with the tissues of another plant is called ____
a. root sucker propagation b. cloning c. vegetative reproduction d. tissue culture e. grafting
Which area of the cerebrum deals with learned patterns or motor skills?
a. Broca's area b. Wernicke's area c. prefrontal cortex d. premotor cortex e. hippocampus
A Ca2+-binding protein that activates many enzymes, including myosin light-chain kinase, is
A) Ca2+-ATPase. B) gelsolin. C) calmodulin. D) myosin light-chain phosphatase. E) TnC.
Capillary action is one of the forces that aids water's upward movement in plants. The narrower the diameter of the tube, the farther the water column will rise. Capillary action is a result of water molecules
A. being associated with hydrophobic molecules, which can result in upward movement. B. having an adhesive force, which allows them to attach to the vessel walls. C. producing sufficient surface tension to overcome the pull of gravity. D. storing heat and thus moving faster because of heat of vaporization. E. having a strong cohesive force and attaching to the surrounding vessel walls.