Answer:
F-actin is a double helical filament as opposed to G-actin,which is a globular protein .Each actin filament has two ends,called the plus and
the minus ends, which makes it recognizable from each other.This gives the structure a distinct polarity.
Explanation:
Actin is the most abundant protein that is found in almost all eukaryotic cells.Its a most important part cytoskeleton as its a monomeric subunits(size 42kDa) of two types of filaments i.e. microfilaments and thin filaments in cells. Actin is essentially required to maintain stability and morphogenesis of cell.It is involved in numerous significant processes such as endocytosis,cell division and migration.Actin is present in two forms:
•G-actin
•F-actin
The two forms of actin are different structurally.
G- actin is a globular shaped protein,usually present in free form(a monomer),having a tight binding site for another actin monomer.Each monomer has ATP. Upon polymerization of G-actin monomers, a polymer called F-actin filaments is form. This process is driven by hydrolysis of ATP.
Answer:
prime mover sometimes called the agonist,is the muscle that provides the primary force driving the action
Answer: They are both connecting tissues but they connect different parts.
Explanation: The similarity between tendons and ligaments is that they are both connective tissues in the body and they are made of long collagen fibers that form a tough band.
The major difference between tendons and ligaments is that they connect different structures of the body. Tendons connect muscles to bones while ligaments connect bones to other bones.
It is a true fact that the loss of an organism at the bottom of a food chain negatively impacts all organisms in the chain.
Explanation:
This is because if the below organism which is constantly interchanged with plants, no herbivores would eat those plants, thus, will also die, which will also determine that the next consumers will have trifle to eat which will also happen to their deaths. So, yes. It concerns it negatively. And very negatively.
Answer:
Solid substance A has a melting point of 100 degrees Celsius. In this case, the substance is in the liquid state at 115 degrees Celsius. Liquid substance B has a freezing point of 110 degrees Celsius. In this case, once it reaches 115 degrees Celsius, the substance is still a liquid.
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Explanation:
