Which myofilaments have binding sites for calcium? What specific molecule binds calcium?

Q: How does the sarcoplasmic reticulum know when to release Calcium ions instead of continuously pump…

A: Neuromuscular impulse transmission: Nervous stimulation results in spreading of action potential in…

Q: Define what T tubules when they're part of muscle fiber? What is their role in muscle fiber?

A: Myofibers are another name for muscle fibers. The skeletal muscle tissue is made up of these…

Q: What channels are open during depolarization of the sarcolemma? What is moving in/out?

A: The cell membrane is an envelope that surrounds the cell. It is a semi-permeable membrane that…

Q: 1.List five proteins of the myofilaments and describe their physical arrangement. Asap

A: We can say that Muscles are the soft tissue found in our body. Muscles work to create strength and…

Q: Each sarcomere contains two sets of thin filaments. What are they? What is their function?

A: The soft tissue-like structure found in the majority of the animals including human beings is known…

Q: List five proteins of the myofilaments

A: We know that Muscles are the soft tissue found in our body. Muscles work to create strength and…

Q: List five proteins of the myofilaments and describe their physical arrangement?

A: Muscles are the soft tissue found in our bodies. Muscles work to create strength and movement. They…

Q: What is the relation of terminal cisternae with the sarcoplasmic reticulum?

A: Introduction: The skeletal muscle fibers are composed of several long and thin cells referred to as…

Q: how are calcium ions levels affected inside the muscle cells if acetylcholine stays bound to its…

A: Muscle contraction referred to as the phenomenon in which proteins present in muscle, actin and…

Q: A) tetany is rapid spasm in the muscle. B) Tetany is usually caused by an increase in the blood…

A: Introduction: Tetany occurs in muscles that have no absolute refractory phase. The heart's muscles…

Q: What ion is involved in summation of contraction?

A: Contraction is defined as the process of shortening of I band during muscle contraction.

Q: How does smooth muscle differ from skeletal muscle withrespect to its source of calcium and its…

A: The muscular tissue is composed of cells that have the responsibility of contraction and are called…

Q: Define myoepithelial cell

A: The epithelial cells are one of the four types of cells present in the body, these are further…

Q: Calcium is the trigger for contraction of all muscle types. How does its binding site differ in…

A: In the human body, there are three types of muscles, skeletal muscles, cardiac muscles, and smooth…

Q: What is happening inside the sarcomere during the contraction period?

A: We know that The neurological system controls the muscular systems of vertebrates, however, certain…

Q: How does the lack of an unresponsive period in skeletalmuscle fiber contraction explain wave…

A: The skeletal muscle fiber when bundled together constitutes a skeletal muscle. This muscle gets…

Q: How does filament overlap affect force generation in muscles?

A: The contraction of muscles is best explained with the help of the sliding filament theory. This…

Q: how does The reabsorption of calcium ions into the sarcoplasmic reticulum by active transport…

A: Calcium ion channels triggers the contraction through the reactions of regulatory proteins and these…

Q: What is the difference between a muscle organ, a muscle fiber, a myofibril, and a myofilament?

A: Introduction :  A tissue that aids in the movement of different bodily components is called muscle.…

Q: Thick and thin myofilaments have different properties. For each phrase below, indicate whether the…

A: Myofilaments are the parallel striated muscle cells or muscle fibres that constitute the fasicles…

Q: What are two separate steps or phases of muscle contraction that rely on calcium for proper…

A: Muscle contraction is the tightening and shortening of the muscle. Muscle contraction is an increase…

Q: Intracellular calcium performs other important roles in the body in addition to triggering muscle…

A: Muscle contraction is a process that occurs after the nerves conduct impulses to the concerned…

Q: Describe the cross-bridge formation and the sliding mechanism during muscle contraction?

A: Cross - Bridge Formation-- Actin and Myosin proteins present muscle fibers play very important role…

Q: List five proteins of the myofilaments

A: Muscle cell  The cell membrane of the muscle fiber/cell is known as sarcolemma. Muscle fibers are…

Q: What are sarcomeres?

A: Myofibrils are composed of bundles of protein filaments known as myofilaments.

Q: What happens if calcium ions are not transported back to the sarcoplasmic reticulum

A: Neural signal on reaching neuromuscular junction release a neurotransmitter named acetylcholine.…

Q: What is the difference between Skeletal neuromuscular junction and Visceral neuromuscular junction

A: The neuromuscular junction consists of four types of cells, Skeletal muscle fibre Terminal Schwann…

Q: Why calcium is important in skeletal muscle contraction?

A: All muscle filaments use Calcium ion (Ca2+) as their fundamental regulatory and signalling molecule.…

Q: Where would you expect to find the greatest concentration of calcium in resting skeletal muscle ?

A: The human and other vertebrates contain three important muscle types, such as skeletal muscle,…

Q: Which fiber type would be the most useful in the leg muscles of a long-distance runner? (a) fast…

A: The skeletal muscle fibers are responsible for making up the skeletal muscle that is covered by…

Q: If calcium cannot be returned to the SR quickly after a muscle contraction, how would this affect…

A: The cardiovascular system is sometimes called a blood-vascular system. In sustaining homeostasis,…

Q: Are glands interspersed among the muscle fibres serous or mucous glands?

A: Glands are the modified cells or tissues to secrete fluids , mucus, hormones etc. Endocrine glands…

Q: List five proteins of the myofilaments

A: We know that Muscles are the soft tissue found in our body. Muscles work to create strength and…

Q: What is the effect of calcium being released into the sarcoplasm? Be specific. What does it bind to,…

A: When calcium is released into the sarcoplasm it binds to troponin

Q: What two types of muscle cells need both extracellular and introcellular calcium to contract?…

A: Muscle is a delicate tissue found in many creatures. Muscle cells contain protein fibers of actin…

Q: Distinguish between direct and indirect muscle attachmentsto bones.

A: Bone is an inflexible body tissue consisting of cells implanted in an abundant hard inter cellular…

Q: How does exercise influence the number of Glut transporters on the sarcolemma?

A: Glucose transporters are a diverse group of membrane proteins that facilitate glucose transport…

Q: What is elastic fibers ?

A: Connective tissue is the most abundant and widely distributed type of tissue in higher animals,…

Q: Explain the purpose of calcium in contractile cell and skeletal muscles movement

A: Muscles are a type of connective tissue that plays an important role in the locomotion and movement…