The molecular building blocks of life have been found
A) only on the Earth
B) on the Earth, in interstellar clouds, and in meteorites
C) on the Earth and in meteorites
D) on the Earth and on Mars

Question

Quizplus · Accepted Answer

Molecular building blocks of life, such as amino acids and nucleotides, have been found not only on Earth but also in interstellar clouds and in meteorites, indicating that these compounds are common throughout the universe. While there is no conclusive evidence of life on Mars, some organic molecules have been detected on the planet's surface, suggesting the possibility of past or present microbial life.

The Molecular Building Blocks of Life Have Been Found