Stanley Is Confused on the Similarities and Differences Between Proteins

question 15

Essay

Stanley is confused on the similarities and differences between proteins and nucleic acids.Assuming he has learned and understood the basic chemistry, what is the likely source of his confusion? To help him sort this out, make a table or flow chart to explain the structure of these molecules and their relationship to each other.

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Definitions:

Sarcoplasmic Reticulum

The system of vesicles in a muscle cell that surrounds the myofibrils and releases calcium in muscle contraction; a modified endoplasmic reticulum.

Skeletal Muscle Fibers

The cells of skeletal muscles, characterized by their long, striated appearance and role in voluntary movement.

Myofibrils

Long, filamentous organelles found inside muscle cells that are highly specialized for contraction.

Keratin

A type of structural protein that is key to the formation of hair, nails, and the outer layer of skin in humans and animals.