The correct answer among the choices provided is option A. Lung capillaries are responsible for exchanging carbon dioxide for oxygen from the air. Blood that comes from the heart gets oxygen from the alveoli. The carbon dioxide in the blood goes into the alveoli at the same time.
C is correct.
Please vote my answer brainliest. thanks!
I would assume it is choice b.
because in the summer there are more hours of light, and n the winter there are less.
Answer:
1) First the DNA strands unwind, and RNA polymerase binds to the template strand.
2) Then synthesis of mRNA begins.
3) Then mRNA undergoes intron splicing and exits the nucleus.
4) Then tRNA moves through mRNA with the activated amino acids
attached to it.
5) Lastly, amino acids assemble
s to form peptide.
Explanation:
