Muscles are an intricate part of the body. They allow the human body to move in many different ways. What are the two contracting proteins that make up a myofibril

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?