Which of the following results from endodermal contributions?
A) all cardiovascular components
B) brain and spinal cord
C) dermis and hypodermis
D) stem cells that produce gametes
E) nephrons
D) stem cells that produce gametes
You might also like to view...
A muscle whose name ends in the suffix -glossus would be found within or attached to the
A) chin. B) cheek. C) jaw. D) tongue. E) lips.
Which type of protein is used by cells of the immune system to distinguish normal cells from foreign or infected cells?
A. Anchoring proteins B. Identity markers C. Transport proteins D. Cell adhesion proteins E. Ligands
What two values are needed in order to calculate cardiac output (CO) for a ventricle?
A) heart rate (HR) and end-diastolic volume (EDV) B) stroke volume (SV) and heart rate (HR) C) end-diastolic volume (EDV) and end-systolic volume (ESV) D) stroke volume (SV) and blood pressure (BP)
In excitation-contraction coupling,
A. myosin heads bind to exposed active sites on actin. B. ATP binds to actin myofilaments. C. Ca2+ must bind with myosin to expose active sites on actin. D. movement of the troponin-tropomyosin complex causes actin myofilaments to slide. E. cross-bridges form between myosin heads and Ca2+.