41) A section of DNA that does not correspond to a known pro… 41) A section of DNA that does not correspond to a known protein is referred to as Read Details
23) Venus may have been more Earth-like in the past because 23) Venus may have been more Earth-like in the past because Read Details
28) Analysis of comet dust collected and returned to Earth b… 28) Analysis of comet dust collected and returned to Earth by the Stardust mission has shown that Read Details
20) What was one reason that RNA was eventually replaced by… 20) What was one reason that RNA was eventually replaced by DNA as the molecule of choice for storing genetic information? Read Details
33) What kind of clouds are known to exist on Mars? 33) What kind of clouds are known to exist on Mars? Read Details
35) The Martian meteorite ALH84001 was found in the 35) The Martian meteorite ALH84001 was found in the Read Details
7) What was ***NOT*** an important source of prebiotic molec… 7) What was ***NOT*** an important source of prebiotic molecules (e.g., amino acids) on the early Earth? Read Details
3) Which of the following is **not** evidence that has been… 3) Which of the following is **not** evidence that has been found for liquid water on Mars’ surface in the past? Read Details
24) How does the surface temperature and atmospheric pressur… 24) How does the surface temperature and atmospheric pressure on Venus compare with the Earth? Read Details