The dilemma of whether proteins or nucleic acids were formed first is avoided by the
A) protein-first hypothesis.
B) RNA-first hypothesis.
C) clay-catalyst hypothesis.
Correct Answer:
Verified
Q23: The oxidizing atmosphere probably developed approximately _
Q24: Mass extinctions
A)have occurred at least 5 times
Q24: With the appearance of photosynthetic cyanobacteria and
Q27: The Earth's primitive atmosphere was produced primarily
Q31: The Carboniferous Period is extremely significant to
Q33: Fossils from the Paleozoic are plentiful because
A)mammals
Q37: The first cells gave rise to
A)bacteria and
Q39: The time that it takes for half
Q40: Which of the following major divisions of
Q41: Plate tectonics explain that the amount of
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