At the bottom is the common phospholipid ,phosphatidylcholine.lipids are a group of naturally occurring molecules the include fats ,waxes ,sterols ,fat-soluble vitamins.
To have the largest sample size also gives you more data, thus increasing the likelihood of accuracy
The most appropriate statement that is explaining the effect and cause during muscle contraction is. “The release of calcium ions causes myosin and actin to attach to each other.” The activation of muscles helps in the generation of muscles that send out the signals to the neurons.
Lipids are NOT made of nucleotides. Nucleotides are the building block for nucleic acid, if that answers your question.
