There are
50 protons in tin
50 electrons in tin
And 69 neutrons
Hope this helps
On number one you could say dirt seeing as dirt is another word for earth because it makes up earth
He used the existence of fossil deposits of coal in Antarctica to prove his theory of the continental drift.
Answer:
The correct answers are option b. "replication bubbles" and d. "replication forks".
Explanation:
The nucleic acids replication systems share some similarities between eukaryotes and prokaryotes. For instance, both organism have replication bubbles. However, prokaryotes have a single replication bubble because its replication process starts from a single origin, while eukaryotes have several replication bubbles. Also, the replication forks are well conserved from prokaryotes to eukaryotes with only some differences among the enzymes present within the fork.
