Genes are organized into long coiled chains called _______________
Fill in the blank(s) with correct word
chromosomes
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Identify a true statement about the star clusters in the Milky Way
A) Open clusters are widely scattered throughout the Milky Way. B) Globular clusters are widely scattered throughout the Milky Way. C) Open clusters are more common toward the constellation Sagittarius. D) Globular clusters are more common toward the constellation Aquarius.
Neutron stars have:
A) very strong bi-polar magnetic fields. B) weak or non-existent magnetic fields. C) periods of days or weeks. D) monopolar fields that switch polarity every rotation. E) no relation to pulsars.
What is the ultimate fate of an isolated white dwarf?
A) It will cool down and become a cold black dwarf. B) As gravity overwhelms the electron degeneracy pressure, it will explode as a nova. C) As gravity overwhelms the electron degeneracy pressure, it will explode as a supernova. D) As gravity overwhelms the electron degeneracy pressure, it will become a neutron star. E) The electron degeneracy pressure will eventually overwhelm gravity and the white dwarf will slowly evaporate.
Most pulsars are observed only as ________ sources
A) X-ray B) radio C) gamma-ray burster D) visible lighthouse E) ultraviolet repeating