With the transmission electron microscope skeletal muscle fibers can be seen to contain structures called triads. What do the two lateral components of a triad represent?
A. Attachment sites for thick myofilaments
B. Sites for calcium sequestration and release
C. Sites for impulse conduction into the fiber
D. Sites for ATP production
E. Sites for synthesis of proteins to be secreted outside the cell
Select your answer:
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Vitamin Musculoskeletal Pathophysiology Biodiversity Conservation Health and Nutrition Structures and Functions of Living Organisms and Genetics Introduction to Histology Digestive System (Gastroenterology) Vascular Surgery Functional Anatomy in Track & Field Environment Deaf Blind Pathogens Clinical Pathology Viruses and Prions Surgical VocabularyOther quiz:
Immunology › ViewWhich of the following best describes the differences between the classic and alternate complement pathways?
A. The classic pathway results in the lysis of the target cell, which is not the case with the alternate pathway.
B. The alternate pathway requires antibody for initiation, and the classic pathway is antibody-independent.
C. The classic pathway is more active than the alternate pathway.
D. The alternate pathway typically requires C3b for activation, while the classical pathway typically requires antigen-antibody complexes.
Infection Control › View
Bacteria that cause disease are identified by
A. signs and symptoms of the disease
B. their shape and arrangement as seen under the microscope
C. the attending physician when she orders antibiotics
D. the mode of transmission