Human eyes are sensitive to light in the visible spectrum between the wavelengths of ________.
Fill in the blank(s) with the appropriate word(s).
400 to 750 nm
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Connexons are carbohydrate building blocks of gap junctions that allow ions to pass from the cytosol of one cell into the cytosol of an adjacent cell
Indicate whether the statement is true or false
What anchors the periosteum to the bone tissue beneath it?
A. A thin layer of hyaline cartilage B. Perforating blood vessels C. Perforating fibers D. Long collagen fibers that penetrate tendons E. Haversian fibers
The space occupied by an osteocyte is called
A) Volkmann's canal. B) a lacuna. C) a trabecula. D) a Haversian canal. E) a canaliculus.
A new drug apparently increases short-term memory. Students were divided randomly into two groups at the beginning of the semester
One group was given the memory pill once a day for the semester, and the other group was given a same-looking pill, but it was just sugar. The sugar pill is termed a(n) ________. A) placebo B) effective dose C) controlled pill D) variable E) treatment pill