What are examples of cells that support neurons both structurally and functionally?
A. Schwann cells, oligodendrocytes, and other neuroglia
B. Dendrites, nodes of Ranvier, and neuroglia
C. Dendrites and nodes of Ranvier
D. Neuroglia and nodes of Ranvier
E. Schwann cells and dendrites
Answer: A
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The statement "DNA ? RNA ? Proteins" _____
A) is known as central dogma B) depicts the regulation of gene expression C) is the same in all organisms including viruses and prions D) describes a series of catalytic reactions
Tiny openings in the cuticle-covered surfaces of most land plants, called ____, control water loss and carbon dioxide
uptake for photosynthesis
a. gemmae b. tracheophytes c. sporopollenins d. stomata e. thalli
Sugary secretions of plants attract various insects as a source of nutrition. In addition to pollination, which of the following can be a benefit for the plant in this relationship?
a. nutrition from the insects when they die near the plant b. cooling effect of being shaded by the insect from the sun c. protection from herbivory d. insects that can keep the plant pruned
Compare and contrast potential and kinetic energy. Give two examples that clarify the differences between the two. What will be an ideal response?