Which statement correctly compares chromatin to chromosomes?
A. Chromatin is loosely arranged DNA in the cell's nucleus while the cell is dividing while chromosomes are tight compact bundles of DNA present while the cell is not dividing.
B. Chromatin is loosely arranged DNA in the cell's nucleus while the cell is not dividing while chromosomes are tight compact bundles of DNA present during cell division.
C. Chromatin is tightly packed DNA in the cell's nucleus while the cell is not dividing while chromosomes are loosely arranged bundles of DNA present during cell division.
D. Chromatin is tightly packed DNA in the cell's nucleus while the cell is not dividing while chromosomes are also tight compact bundles of DNA present during cell division.
Answer: B
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What is the relationship between ions and myelin that prevents ions from passing through channels?
A) Size: Ions are large in diameter and myelin is much smaller. B) Electrical: Ions have negative charges and myelin have positive charges. C) Solubility: Ions are water soluble and myelin is a lipid. D) Weight: Ions are light and myelin is much heavier.
Which type of glial cell is similar in function to white blood cells?
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Insects prevent water loss and disturbance in the osmotic balance in cells by
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