The Age of a Cluster Can Be Estimated by

question 21

Multiple Choice

The age of a cluster can be estimated by

• A)Observing the number of stars-larger numbers imply older cluster
• B)Observing the number of stars-larger numbers imply younger cluster
• C)Plotting the stars on an HR diagram-lower turnoff implies younger
• D)Plotting the stars on an HR diagram-lower turnoff implies older
• E)Plotting the stars on a color-color diagram-lower values imply older

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Definitions:

Genotype

One’s genetic makeup, based on the sequencing of the nucleotides we term A, C, G, and T.

Phenotype

One’s actual development and appearance, as based on one’s genotype and environmental influences.

Resting Potential

The electrical potential across the neural membrane when it is not responding to other neurons.

Action Potential

The electrical impulse that provides the basis for the conduction of a neural impulse along an axon of a neuron.