If the Sun Converts 5 × 10¹¹ Kg of H

question 10

Multiple Choice

If the Sun converts 5 × 10¹¹ kg of H to He per second and 10 percent of the Sun's total mass is available for nuclear burning,how long might we expect the Sun to live?

• A) 10⁴ years
• B) 10⁸ years
• C) 10¹⁰ years
• D) 10¹⁴ years

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Definitions:

Meiosis

Process in which a 2n cell undergoes two successive nuclear divisions (meiosis I and meiosis II), potentially producing four n nuclei; leads to the formation of gametes in animals and spores in plants.

Prophase II

The first stage of meiosis II, where the genetic material condenses into visible chromosomes, preparing for eventual separation into daughter cells.

Metaphase I

A stage of meiosis where homologous chromosomes pair up and align along the equatorial plate of the cell.

Prophase I

The first stage of meiosis I, where chromosomes condense, pair up, and exchange genetic material via crossing over.