________ are cytoplasmic channels through openings in plant cell walls.
Fill in the blank(s) with the appropriate word(s).
Plasmodesmata
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Mutagens increase the amount of damage to DNA
A. true B. false
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.
Which of the following organisms are resistant to destruction by typical disinfection methods?
A. Endospores of Bacillus and Clostridium B. Pseudomonas C. Non-enveloped viruses D. Mycobacterium spp. E. All of the choices are correct.
Carlos visited the desert for the first time and, as he was sweating a lot, bought some distilled water. This seemed to satisfy his thirst very well. Why is the distilled water not the best choice of beverage for Carlos?
What will be an ideal response?