Bio 252 exam 2 Study guides, Class notes & Summaries

BIO 252 EXAM 2 WITH ACTUAL CORRECT QUESTIONS AND VERIFIED DETAILED ANSWERS BY EXPERTS | FREQUENTLY TESTED QUESTIONS AND SOLUTIONS | ALREADY GRADED A+ |LATEST UPDATE 2024 | GUARANTEED PASS

BIO 252 EXAM 2 QUESTIONS AND CORRECT ANSWERS

1. Myocyte Muscle cell 2. Sarcolemma Plasma membrane of myocyte 3. Sarcoplasm Cytoplasm of myocyte 4. Myofibril Tightly packed filament bundles found within skeletal muscle fibers. Contractional unit of a muscle cell. 5. Sarcoplasmic reticulum Site of calcium storage in a muscle cell. Surrounds the myofibrils 6. Transverse tubules (T-tubule) Inward extensions of the sarcolemma that dive into the muscle fiber and surround each myofibril to form a tunnel- like network within the musc...

Is skeletal muscle always attached to bone? - ANSWER no, example is the tongue the sliding filament theory - ANSWER -sufficient evidence to prove theory -upon stimulation, the myosin heads bind to actin and sliding begins -thin filaments slide past thick ones -Z-disc becomes shorter -heads will leave one binding site and move to the next -elastic fibers bring the thin filaments back to their original state (elasticity) -A band stays the same -sarcomere shortens -myosin section becomes...

What glands make up the endocrine system? - hypothalamus, pituitary gland, thyroid, adrenal gland, pancreas, thymus, pineal gland, parathyroid gland, testes, ovaries what are the two main regions of the adrenal glands - cortex and medulla mineralcorticoids - regulate the concentration of certain minerals glucocorticoids - help respond to stress androgenic steroids - sex hormones posterior pituitary gland (below hypothalamus) - not a gland; stores hormones; sort of an extension of the hypo...

A band - ANSWER middle of sarcomere; has thick and thin filaments I band - ANSWER at the ends of the sarcomere; have thin filaments Z discs - ANSWER separates one sarcomere from the next

Week 2 EDAPT BIO 252 Exam Questions and Answers

BIO 252 Comprehensive Exam 2 Questions and Answers

Week 2 EDAPT BIO 252 Exam Questions and Answers

Week 2 EDAPT BIO 252 Exam Questions and Answers