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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?

BONUS QUESTION: Choose one of the following properties of water: (1) universal solvent (2) cohesion (3) adhesion (4) surface tension (5) high heat of vaporization (6) high specific heat. After you choose the property, define the property, explain how it works based on the chemistry of water molecules (water’s structure, charge, etc.), and lastly, explain how that property of water is beneficial to living things in nature. Keep your answer clear and concise.

Using the reaction shown below (where two glucose molecules are combined to form a maltose compound, and water is released); is this reaction pathway a dehydration synthesis reaction or a hydrolysis reaction?