Filament - Study guides, Class notes & Summaries

Which steps involved in the contraction of a skeletal muscle require binding and/or hydrolysis of ATP? I Dissociation of myosin head from actin filament II Attachment of myosin head to actin filament III Conformational change that moves actin and myosin filaments relative to one another IV Binding of troponin to actin filament V Release of calcium from the sarcoplasmic reticulum VI Reuptake of calcium into the sarcoplasm A. I, II, and III only B. II, III, and IV only C. I, III, and ...

A&P 1 101 Module 5 Exam Question 1 2 / 2 pts There are three types of muscle tissue found in the body. Correct! True False Question 2 2 / 2 pts Smooth and cardiac muscle tissue are both un der voluntary control. True Correct! False Question 3 2 / 2 pts The musculocutaneous nerve is part of the central nervous system. True Correct! False False- this is a peripheral nerve Question 4 2 / 2 pts A motor signal is a signal that is sent from a muscle to the central nervous system. True Correct! False F...

NASM FINAL EXAM QUESTIONS AND CORRECT ANSWERS 2024/2025 ALREADY GRADED A+. 2 / 23 1. After leaving the left ventricle, blood enters which of the following struc-tures? Select one: a. Superior vena cava b. Aorta c. Inferior vena cava d. Pulmonary artery: Aorta 2. Which of the following joints is between the metacarpals and phalanxes? Select one: a. Condyloid b. Pivot c. Saddle d. Hinge: Condyloid 3. According to continuing education requirements, which of the following istrue? Se...

What structure runs from Z line to Z line? Sarcomere The movement of the troponin-tropomyosin complex requires _______ Ca2+. The actin filament is a polymer formed from 300 to 400 globular subunits called ______ Gactin. A myofilament is the _________. Protein strand composed of actin or myosin T tubules ________. Conduct action potentials deep into the muscle cell A drug that interferes with the active transport of calcium ions from the sarcoplasm back into the sarcoplasmic reticulum would...

Immunofluorescence microscopy steps Correct Answer-1. fix cells 2. permeabilize cells 3. rabbit antibodies to ezrin 4. wash 5. fluorescent-labeled goat antibodies made to rabbit antibodies 6. wash 7. view in microscope T/F: All single-celled organisms are prokaryotes Correct Answer-false T/F: All prokaryotes are single-celled organisms Correct Answer-true microtubules are Correct Answer-cytoskeleton filament systems generallly used as tracks for long-range transport of organelles ...

USABO Latest Update with Verified Solutions Eukaryote An organism whose cells contain complex structures enclosed within membranes. The defining membrane bound structure thats sets them apart from prokaryotic cells is the nucleas or nuclear envelope within which the genetic material is carried. All species of large complex species are eukaryotes, including animals, plants and funghi. Euchromatin This shows as pale areas in the nucleas under electro magnification. It is a less densly...

ASU BIO 181: EXAM 2 QUESTIONS AND ANSWERS ALREADY PASSED 90% of absorption in the intestine occurs where? The jejunum and the ileum A bacterium coated by antibodies is a signal that a macrophage should endocytose (eat) it true Adhering junctions are based on two different types of cytoskeleton filament systems. Name those systems. Actin Filament System Intermediate Filament System Any cell can present an antigen on a class I major histocompatibility complex (MHC) protein. true...

WSU Biology 106 Exam 2 With 100% Correct Answers 2023

Muscle fatigue is caused by ________. a) buildup of ATP and lactic acid levels b) exhaustion of energy reserves and buildup of lactic acid levels c) buildup of ATP and pyruvic acid levels d) exhaustion of energy reserves and buildup of pyruvic acid levels - ️️b) exhaustion of energy reserves and buildup of lactic acid levels The correct order for the smallest to the largest unit of organization in muscle tissue is ________. a) fascicle, filament, muscle fiber, myofibril b) filament,...

RADT 1085 Final Test Questions and Answers All Correct What are functions of the filament? 1) primary thermal conductor 2) target surface for high voltage electrons from the filament 3) conducts high voltage from the cathode back to x-ray circuit generator. - Answer-all of these What are the 3 parts of the anode assembly? - Answer-anode, stator, and rotor Why is a vacuum created in the x-ray tube? - Answer-To remove the air to permit electrons to flow from cathode to anode wit...