In order for the DNA molecule to get "short and fat" to become a chromosome, it must first wrap around small molecules called ________.
Fill in the blank(s) with the appropriate word(s).
histones
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Label N represents the
A) trabeculae carneae. B) chordae tendineae. C) auricle. D) papillary muscle. E) pectinate muscle.
A group of water molecules are held together by
A. salt. B. double covalent bonds. C. polar covalent bonds. D. ionic bonds. E. hydrogen bonds.
Megakaryocytes are large cells that give rise to
A. white blood cells. B. red blood cells. C. plasma. D. platelets.
The position of the head with respect to gravity is determined by the
A. shift in fluid in the semicircular canals. B. movements of otoliths in response to gravity. C. movements of perilymph in the vestibular chamber. D. impulses transmitted from the macula of the semicircular canals. E. stimulation of the cochlear portion of the nerve.