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What is the main difference between monomers and polymers?

Using the image of the microscope or your knowledge of a microscope, what is the name of the part of the microscope that can be used to move the slide around sideways, as well as forwards and backwards, while it is on the stage? (this is part F in the image):

Using the image of the microscope or your knowledge of a microscope, what is the part of the microscope that holds the various lenses in place? (This is part K in the image). It feels like a circular object with little bumps in it for better grip.

Which of the following is the main function of functional groups in biomolecules?

Which of the following is TRUE of proteins?

In the reflex arc shown below, D is referred to as the _____________

Which of the following determines an atom’s reactivity?

How much stronger is a solution with a pH of 1 compared to a pH of 3?

Which answer choice below best describes the difference in acids and bases in chemistry?

Which pH value represents a neutral solution?