Answer: I think the answer is c
Explanation:
How did stromatolites contribute oxygen to the early atmosphere?
by weathering of rocks
through photolysis
through methane degradation
through photosynthesis
Answer:
by weathering of rocks
pls rate 5star + thanks
Answer:
Sexual reproduction is the joining of gametes to form a different organism while Asexual reproduction is the duplication of the first organism to form an identical organism.
Explanation:
Answer:
The correct answer is -
A. a, c, g
B. e, b, f & d
Explanation:
Part A- the options a, c, g are the options that show mutation or replacement by a single base change
a) Phenylalanine: UUU UUC
Leucine: UUA UUG
Only one base change
c) Alanine: GCU GCC GCC GCG
Thr: ACU ACC ACA ACG
only one base change
g) Prolin: CCU CCC CCA CCG
Serine: UCU UCC UCA UCG
Part B:
All other replacements will not be consistent with the Genetic Code if single base substitutions occur in option e, b, f & d
8 we use 8 i think , any answer choices ?