The sarcoplasmic reticulum stores ions that are necessary for skeletal muscle contractions. Which of the following ions does it store?
A) magnesium
B) iron
C) sodium
D) calcium
D
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Match the item to its definition.
A) collection of dendrites B) collection of axons C) discontinuous insulation of the dendrite D) process that sends electrical signals toward from the cell E) excess of positive charge within the cell and excess of negative charge outside the cell F) discontinuous insulation of the axon G) region of nerve cells where the myelin sheath is incomplete H) gap between adjacent nerve cells I) excess of negative charge within the cell and excess of positive charge outside the cell body J) process that sends electrical signals away from the cell body 1) dendrite 2) nerve 3) myelin sheath 4) nodes of Ranvier 5) resting membrane potential 6) axons 7) synapse
An example of a secondary sexual characteristic in males is spermatogenesis
____________________ Indicate whether the statement is true or false.
If an individual has a XYY genotype, they are classified as having
A) Down syndrome. B) cri du chat syndrome. C) Turner syndrome. D) Klinefelter syndrome. E) Jacobs syndrome.
Which type of media can be used to determine if a bacteria is motile?
What will be an ideal response?