Suppose you see a photo showing Jupiter half in sunlight and half in shadow (that is, a first quarter Jupiter). This photo might have been taken by ________.
A) the Arecibo radio telescope in Puerto Rico
B) the Galileo spacecraft that orbited Jupiter in the 1990s
C) the Keck telescope on Mauna Kea, Hawaii
D) the Hubble Space Telescope (which orbits Earth)
Question 2
You measure the parallax angle for a star to be 0.5 arcseconds. The distance to this star is
A) 0.5 light-year.
B) 2 parsecs.
C) 5 light-years.
D) 0.5 parsec.
E) 5 parsecs.
Queen Victoria and her family, and a pedigree showing the transmission of hemophilia in the British
X-ray showing typical joint changes with osteoarthritis.
C1qrs. A schematic of C1 showing structure and C1q, r, and s.
Structure of the l cI repressor-DNA complex showing the recognition helices (in red)