Which of the following is a component of a nucleotide?
A. adenine--a nitrogen base
B. calcium ions
C. cholesterol--a steroid
D. ATP
E. glucose--a monosaccharide
A
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The semicircular canals are activated as the head starts to rotate, but cease responding if the head movement continues at the same rate in the same direction
Indicate whether the statement is true or false
The ____________ nerve innervates both the semitendinosus and semimembranosus.
Fill in the blank(s) with the appropriate word(s).
The process by which action potentials cause muscle contraction is ________.
A. excitation-contraction coupling B. the electromechanical release mechanism C. the sliding filament theory D. Both excitation-contraction coupling and the electromechanical release mechanism are correct.
A new mother notices that her 6-month-old infant has a yellow-orange complexion. Fearful that the child may have jaundice, she takes him to her pediatrician. After examining the child and learning about the infant's diet, the pediatrician declares him perfectly healthy and advises the mother to watch the child's diet. What is likely the cause for the change in skin color?