Star a and Star B Both Have an Absolute Magnitude

question 85

Multiple Choice

Star A and star B both have an absolute magnitude of 2.0, but star A has an apparentmagnitude of 5.0 and star B has an apparent magnitude of 7.0. Which statement below is correct?

• A)Star A appears brighter than star B, but actually star B and star A are the same brightness.
• B)Star B appears brighter than star A, but actually star B and star A are the same brightness.
• C)Star A and star B appear to have the same brightness, but actually star B is brighter than starA.
• D)Star A and star B appear to have the same brightness, but actually star A is brighter than starB.
• E)It is impossible to determine how bright these stars are or appear to be relative to one another,given the information above.

Recognize the importance of jurisdiction in the context of state, federal, and highest courts.

Identify the hormone produced by different cell types.

Associate endocrine glands with their secreted hormones.

Describe the effects and functions of various hormones.

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Definitions:

Plasma Membrane

The biological membrane that separates the interior of all cells from the outside environment, protecting the cell and controlling movement of substances in and out.

Hydrophobic Region

A part of a molecule that is repelled by water and tends to be nonpolar.

Phospholipids

A class of lipids that are a major component of all cell membranes, essential for cellular function.

Polar (Hydrophilic) Region

A part of a molecule that has a tendency to interact with water through hydrogen bonding or electrostatic interaction, making it soluble in water.