Is a fungal mycelium made up of uninucleate, binucleate, or multinucleate cells? Defend your answer
What will be an ideal response?
Fungal cell hyphae before they fuse with a related strain are uninucleate, and afterwards are binucleate heterokaryons. However, given the fact that there are major cytoplasmic connections between the "individual" cells, you could defend the position that the mycelium was a multinucleate syncytium. This is a good time to tweak those of your students who think biology is loaded with absolutes.
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Which of the following is not associated with salutatory propagation?
A. myelation B. nodes of Ranvier C. variable concentration of voltage-gated Na+ and K+ channels along the axon D. faster signal transmission E. extremely low threshold potential
Which of the following is not considered a micronutrient?
A. Copper (Cu) B. Magnesium (Mg) C. Manganese (Mn) D. Zinc (Zn)
How is it possible for a retroviral particle to be "heterozygous?"
What will be an ideal response?
Plants produce large amounts of ________ that serve as an _____________
Fill in the blank(s) with the appropriate word(s).