1 Answers
Call
Muscle cells need energy to do mechanical work and respond quickly. Thus a higher number of mitochondria is present so that the cells requirement of energy to perform its specific function is fulfilled.
In humans, erythrocytes do not contain any mitochondria, but heart , kidneys, pancreas and muscle cells contain hundreds or even thousands of mitochondria.
0
like
0 dislike
Talk Doctor Online in Bissoy App
During malignant hyperthermia, there is an increased amount of calcium released into the sarcoplasm of skeletal muscle cells. What organelle stores calcium in muscles cells?
In the smooth endoplasmic reticulum (SER), it is found the sarcoplasmic reticulum (SR ) in skeletal myocytes that store calcium ions ready to secrete them when the muscular fiber is...
1 Answers 1 views
When a girl bends her arm, she uses a different muscle to bring it back to the original position. Why can’t she use the same muscle to both bend and straighten her arm?
With muscles, you get synergists which are muscles that work together to bring about a movement. You also get agonists and antagonists, antagonists bring about the movement which is opposite...
1 Answers 1 views
In the adaptive immune response, do Helper T cells activate B cells and cytotoxic T lymphocytes to kill infected host cells? Do Helper T cells phagocytize bacteria and viruses?
T helper is the cell which is activated by the macrophage. It has unique receptor called APC(antigen presenting cell). When the foreign antigen being eaten by the macrophage, some parts...
1 Answers 1 views
Why is the muscle of the left ventricle thicker than the muscle of the right ventricle?
Think about it. Why would the left ventricle be more muscular than the right? There has to be some reason, right? The left ventricle has the job of pumping out...
1 Answers 1 views
How do white blood cells know what to kill? How do white blood cells know to kill bacteria cells and not human cells. How do they differentiate between the two?
The body recognizes chemical structures that are made by bacteria and quite different from chemicals made by higher organisms. These chemical structures include the special carbohydrates (sugars) and lipids that...
1 Answers 1 views
During external respiration, are gases exchanged between the outside air and the alveoli, the alveoli and the blood, the blood and cells, the outside air and blood in the dermis, or the cytosol and mitochondria?
External respiration is the exchange of gases between the external environment and a distributing system of the animal body, between the $color(red)"alveoli"$ of the lungs and the $color(red)"blood"$. Internal respiration...
1 Answers 1 views
What exactly do Antimitochondrial Antibodies (M2) do to the body? Does the body attack mitochondria in all my cells and create several autoimmune conditions, or just the cells in the bile ducts?
Autoantibodies are antibodies (immune proteins) that mistakenly target and react with a person's own tissues or organs. Antimitochondrial antibody M2 is an autoantibody that acts against mitochondria, especially the...
1 Answers 1 views
Plant cells have cell walls too. What do yeast cells lack that plant cells have?
Yeasts are heterotroph. They are unable to produce their food by . Yeast cells lack chloroplasts. Thank you
1 Answers 1 views
Why do plant cells that transport water against the force of gravity contain many more mitochondria than other plant cells do?
The process of transporting water against gravity is called , so called because it requires energy to occur (as opposed to passive transport which occurs naturally). Now, the molecule which...
1 Answers 1 views
Why is skeletal muscle called voluntary muscle?
Voluntary muscles are those muscles which are controlled by the will of an individual i.e. controlled by the individual's brain. The person can take decision on the movement of the...
1 Answers 1 views