Answer:
An electrochemical gradient of protons across the thylakoid membrane is established.
Explanation:
Some scientists believe it was due to a sudden meteor impacts and others believe it was a gradual build up of a couple things like volcanic activity, climate change and the meteor impact was the final blow for total destruction.
Answer:
they grow and damage blood vessels that are important to us.
Explanation:
Like some of them can grow in the brain causing your brain to bleed.
These limbs (see attached image) provide evidence of common ancestry because
they have the same basic structure. In evolution we have convergent evolution and divergent evolution; In convergent evolution we focus on the analogous structure; which have different ancestry but perform similar functions while in divergent evolution, we have homologous structures which have a common ancestry and similar structure; but performs different functions, like the limbs described above.
Bacteria in your intestines can spread in your body and attaching