What Is the Moment of Inertia of a Solid Sphere

question 28

Multiple Choice

What is the moment of inertia of a solid sphere of mass m and radius r about a line parallel to another line passing through the center of the sphere? The distance between the lines is half the radius of the sphere.

• A)mr²/5
• B)2mr²/5
• C)9mr²/10
• D)13mr²/20

Identify the light that is most effective in triggering seed germination.

Comprehend the process of photomorphogenesis and its significance.

Explain the concept of transport in plants, focusing on hormone transport.

Describe the mechanisms of plant response to gravity and light.

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Definitions:

Calmodulin

Protein receptor for Ca2+ that plays a role in many Ca2+-regulated processes, such as smooth muscle contraction.

Steroid Hormones

Lipid-soluble molecules derived from cholesterol that regulate a variety of physiological functions including metabolism, inflammation, and sexual function.

Plasma Membrane

The lipid bilayer that surrounds a cell, controlling the passage of substances in and out of the cell.

Phosphodiesterase

Enzyme that splits phosphodiester bonds—that is, that breaks down cyclic AMP to AMP.