As a White Dwarf Ages, Its Position on a Standard

question 38

Multiple Choice

As a white dwarf ages, its position on a standard H-R diagram will move ____.

• A) upward and to the right
• B) upward and to the left
• C) downward and to the right
• D) straight downward
• E) downward and to the left

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Definitions:

Peripheral Protein

Proteins that are attached to the surfaces of cellular membranes, playing roles in signal transduction and cellular communication.

Membrane Channel Protein

Integral membrane proteins forming pores through cellular membranes, allowing selective transport of ions and molecules across membranes, crucial for various physiological processes.

Phospholipid Bilayer

The fundamental structure of cell membranes, composed of two layers of phospholipid molecules.

Integral Protein

Proteins that are permanently embedded within the plasma membrane, facilitating various cellular processes.