Both plant and animal cells have membranes so whatever chemical reactions they have going inside the cell, it is regulated and maintained. Membranes help separate the internal environment from the external environment.
Hope this helps - I'm currently in cell biology so this question is interesting
Hydrogen bonds can form between regions of polar molecules that are <span>oppositely charged.
Source credit: </span>https://quizlet.com/16761990/biology-chapter-22-saud-flash-cards/
<span>Given:
</span>
<span>H
C
N
O
amino acid</span>
Amino Acid sequence
Global Structure
<span>Find:
Order from smallest to largest = ?</span>
H, C, N, O, amino acid, amino acid sequence, globular
structure.
<span>
These contains</span> amine and carboxyl
functional groups, along with a side chain specific to each amino acid.