Answer:
One band of light density and one band of heavy density.
Explanation:
According to conservative model of replication, the original strands do not separate from each other during replication. Hence, after replication the old strands are together and the new strands are together.
Here, cells were grown in 14N medium first so 14N was used for DNA replication and all DNA molecules had 14N. When the cells were transferred to 15N medium, only 15N was available for replication process. New DNA molecules would be synthesised using 15N (15N15N) and old DNA molecules have 14N (14N14N). Hence, in density gradient one band will be of light density (14N14N) and one band will be of heavy density (15N15N).
Channel proteins is the answer to your question
They're called endorphins!
The basement membrane is found between the epithelium and connective tissue.
<em> The image attached is a diagram from www.lamission.edu.</em>
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.
- Heather
<span>The subatomic particles or units inside the cell that is responsible for the potential chemical reactions among chemical species are the electrons. Since they are found outside the nucleus, it is actually easier for them to transfer from one atom to the other. They may be also shared between two compound. </span>
