How does the sarcoplasmic reticulum know when to release Calcium ions instead of continuously pump them into itself?

Q: When a sarcomere shortens, which event is associated with this?

A: Introduction: The muscle contraction occurs in the following steps: The head of the myosin…

Q: What are the role of thin filaments?

A: Muscles contain a good amount of proteins, which are present in the form of actin and myosin. Most…

Q: Define the types and functions of intermediate filaments.

A: Many eukaryotic species contain intermediate filaments as a form of cytoskeletal protein in their…

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: Define each of the following terms: concentric isotonic contraction, eccentric isotonic contraction,…

A: Actin and myosin cross bridge cycling generates tension in the muscle fibre. This causes the muscles…

Q: Differentiation Table:   Visceral Muscle Cardiac Muscle Skeletal Muscle Voluntary or Involuntary…

A: Muscles are the organs for contraction that can generate force for movement. There are mainly three…

Q: How do muscle cells remain differentiated as muscle cells

A: Muscles are the contractile tissues which bring about movement. Muscle cell responsible for our…

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: A)Fill in the blanks below regarding sarcomeres: In a sarcomere, thin filaments are composed…

A: Sarcomere is the functional unit of striated muscle. Our skeletal muscle is made up of sacromeres .…

Q: What would happen if you accidentally ingested a toxin that completely inhibited the function of the…

A: All the membrane of the cells, as well as their organelle, possess several different types of ion…

Q: Suppose a person had an unusual mutation in the troponin protein of his skeletal muscles, such that…

A: The muscular system is a system of muscles where muscles are connected to bones and also to envelope…

Q: Define sarcoplasm

A: The skeletal muscles help in regulating body temperature and release the heat from the muscles.…

Q: Which two structures approach each other at a neuromuscular junction?

A: The neuromuscular junction can be described as communication between a motor neuron and a muscle…

Q: If you introduced a chemical into a muscle fiber that blocked the voltage-gated calcium channels in…

A: The muscles are the soft tissues found in the animals. They are made up of special types of…

Q: Distinguish between Transverse tubules and sarcoplasmic reticulum?

A: Anatomy is the branch of biology that deals with the study of the structure of organisms and their…

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: What molecule "couples" the action potential to the concentration cycle of the sarcomere? What does…

A: Muscle contraction is a major phenomenon associated with the functioning of the myofibril occurring…

Q: What do Intermediate filaments provide?

A: Intermediate filaments:                   The key function of intermediate filaments is to provide…

Q: Explain about Myofibrils and Sarcomeres ?

A: Muscle is the soft and delicate tissue of human physiology. This system is composed of cells,…

Q: Why is the movement of Ca2+ from the sarcoplasm into the sarcoplasmic reticulum classified as active…

A: During muscle contraction, the release of calcium occurs from the sarcoplasmic reticulum. The…

Q: What are T tubules and the sarcoplasmic reticulum?

A: Tubules are the anatomical structure made up of a minute tubes.

Q: Describe the basic structure of a sarcomere.

A: Muscle fibres are made up of two protein filaments known as Myosin filaments which are thicker and…

Q: Describe the neuromuscular junction.

A: The term neuromuscular junction refers to a region of juncture between a neuron (nerve cell) and a…

Q: Is actin is present in thin filament?

A: The muscles are the components of the body that enable locomotion. The nervous system regulates the…

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…