Oxygen atom, liver, amino acid, fat molecule, then carbon dioxide molecule
Answer:
B. presence of oxygen in the atmosphere
Explanation:
I took the same test and got it right
C) the corpus luteum produces progesterone (pro-gestation) until the placenta takes over at around 10 weeks
Answer:
Helicases are the enzymes that 'unzip' the DNA strand, and mRNA is the half that leaves the nucleus to get read by the ribosomes.
Explanation:
Your answer would be... B. The climate on Earth has changed over time.