Which of the Following Would Not Be Considered Evidence for Dark

question 46

Multiple Choice

Which of the following would not be considered evidence for dark matter in clusters of galaxies?

• A)the total amount of stars
• B)the curvature of gravitationally- lensed galaxies
• C)the temperature of the intergalactic gas
• D)the velocities and radii of galaxy orbits around the center of mass in the cluster

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Definitions:

Distal Convoluted Tubule

Part of the nephron in the kidney primarily involved in the reabsorption of water and solutes, significantly contributing to the regulation of potassium, sodium, calcium, and pH.

Collecting Duct

A series of tubules and ducts in the kidney that process urine, concentrating it before it moves to the bladder.

Cotransport Molecule

A protein that facilitates the simultaneous transport of two molecules across a cell membrane, typically using the gradient of one to transport the other.

Na+

The chemical symbol for sodium ions, which are essential for various physiological functions, including electrical signaling in neurons and muscle cells, as well as fluid balance in the body.