Mitochondria is the powerhouse of the cell
Hope this helped
Answer:
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The mass is made up of protons and neutrons, the valence electrons only determine stability, not mass
Chromatin is remodeled and nucleosomes are repositioned, thereby making specific regions of the DNA available for transcription
Answer:
D and B
Explanation:
it is hard to explain but
Xylem is responsible for the transport of water and dissolved ions
The phloem is made of companion cells that form to connect pipes
