A Coiled Fibrous Protein in Connective Tissue That Is Stretchy

question 66

Multiple Choice

A coiled fibrous protein in connective tissue that is stretchy is called ________.

• A) a reticular fiber
• B) proteoglycan
• C) elastin
• D) collagen
• E) hyaluronic acid

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Definitions:

Iodine Potassium Iodide (IKI)

A chemical solution commonly used as a starch indicator in biological and chemical experiments. It changes color in the presence of starch.

Glucose

A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.

Hypotonic Solution

A hypotonic solution is one where the concentration of solutes is lower outside the cell than inside it, leading to water entering the cell.

Potassium Permanganate

A chemical compound with strong oxidizing properties, used as a disinfectant and in water treatment.