At myelinated areas of the axon (i.e. between nodes of Ranvier), which of the following statements is true?
A. There is an increased number of voltage-gated sodium channels.
B. There is increased resistance across the membrane.
C. There is increased capacitance across the membrane.
D. There is increased transport of potassium across the membrane.
B. There is increased resistance across the membrane.
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Many species in the phylum Crenarchaeota are considered extreme thermophiles or _______, which can grow at temperatures above 100°C.
Fill in the blank(s) with the appropriate word(s).
If one strand of a sister chromatid from C. elegans has nine different genes, which of the
following is true about the second strand of the sister chromatid?
a. It will have the exact same genes. b. It will have the same number of genes, but this may be a different gene set. c. It may have a different number of genes. d. There is no correlation between the number of genes on either sister chromatid.
Animals that eat only plants are
A. omnivores. B. herbivores. C. carnivores. D. detritivores. E. insectivores.
Which of the following describes the labia?
A. The labia majora are hairless folds of skin. B. The labia minora are covered with pubic hair. C. The clitoral hood is formed by the labia majora. D. The Bartholin glands lie inside the labia minora.