l think it is commensalism-lt is the relationship in which one organism benefits by the other is neither helped nor harmed
plz follow me if it has helped you
and don't forget to mark my answer
The name of the structure labeled as A is 'myosin'. Moreover, the name of the structure labeled as B is 'actin'.
A sarcomere is the basic unit of muscle contraction. This unit is defined as the region between two Z-lines.
Band A is a central band composed of the thick filaments of myosin.
Moreover, the sarcomere also has two halves of a band known as I-band, which consists of thin filaments of actin.
Muscle contraction is caused by the interaction between actin and myosin protein filaments in the sarcomeres.
Learn more in:
brainly.com/question/7146598?referrer=searchResults
Answer:
Baroreceptors:
Baroreceptors are the type of mechanical receptors. These receptors are located in the carotid sinus and become active in response to the change in the pressure in the heart. They have the ability to sense the information and relay it to the brain.
Chemoreceptors:
Chemoreceptors area also known as chemo sensors as they have the ability to detect the change in the chemical substance of the body. These receptors are present on the taste buds. They have the ability to generate the action potential and relay information.
Answer:Fossils are all throughout different rock layers. The oldest fossils are on top and the newest are at the bottom.
Explanation: there is a rich fossil record that shows the evolutionary transitions from horse ancestors to modern horses that document intermediate forms and a gradual adaptation o changing ecosystems.
Answer:
2. dopamine
Explanation:
Dopamine is one of the neurochemicals involved in the transmission of signals between the neurons of the brain. It is usually referred to as “the feel good” “happy” hormone that is released when stimulated by engaging in a pleasurable experience or activity. Dopamine controls the emotional and mental processes of humans. It is important in sexuality of human as it is responsible for the pleasurable feelings of satisfaction we experience.
