A cell is bathed in a solution that contains 5 mmol/L of glucose. The intracellular concentration of glucose is 10 mmol/L. What is the most likely mechanism for the transport of glucose across the plasma membrane of this cell?
A. glucose uniporter
B. Na+-glucose symporter
C. Na+-glucose antiporter
D. diffusion of glucose through the lipid bilayer of the membrane
ANS: A
Anatomy & Physiology
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A movement that brings the foot closer to the shin is a(n)
A) abduction. B) extension. C) plantar flexion. D) dorsiflexion.
Anatomy & Physiology
Determine how muscles are affected if the muscle receives stimulations so frequently that it has no opportunity to relax between them
What will be an ideal response?
Anatomy & Physiology
Which structure stores calcium ions for release in the muscle cell?
A) sarcolemma B) sarcomere C) sarcoplasm D) sarcoplasmic reticulum
Anatomy & Physiology
Where does leukopoiesis occur?
A. Red bone marrow B. Spleen C. Blood vessels D. Yellow bone marrow
Anatomy & Physiology