In modern Miller-Urey experiments it is assumed that carbon and nitrogen in the early atmosphere were present as
A) methane (CH₄) and ammonia (NH₃)
B) carbon dioxide (CO₂) and nitrogen (N₂)
C) carbonates (CO₃⁻) and nitrates (NO₃⁻)
D) carbon and nitrogen atoms
Correct Answer:
Verified
Q30: Why do we think that RNA was
Q31: As life on Earth evolved, its DNA
A)
Q32: Why are clay surfaces good at promoting
Q33: RNA catalysts in cells are referred to
Q34: What is one reason that early life
Q36: In 2014, when scientists used a laser
Q37: The first molecules of RNA were probably
Q38: In the 19ᵗʰ century, Charles Darwin suggested
Q39: Life probably did not originate on the
Q40: The transition from chemistry to biology occurred
A)
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents