Answer:
C. R group
Explanation:
Amino acids are the monomers for proteins. Various amino acids are joined together by peptide bonds to form polypeptides.
All standard amino acids have a central chiral carbon atom to which four functional grouped are bonded. All the amino acids have one carboxyl group, one amino group and one hydrogen atom bonded to the central carbon atom.
However, the chemical nature of the "R group" differentiates various amino acids. For example, alanine has a "CH3" group as an R group while glycine has one more hydrogen atom as its R group.
Answer:
Spanish:
Las semillas nativas son importantes porque pueden tener un gen que sea importante para la producción del futuro, genes tolerantes a las alturas o genes resistentes a la sequía. Además, son vitales para toda la vida en la Tierra.
English:
Native seeds are important because they may have a gene that is important for future production, height-tolerant genes, or drought-resistant genes. Furthermore, they are vital to all life on Earth.
Plasma membrane has lots of phospholipids. It is also called phospholipid bilayer
<span> parathyroid hormone (PTH) </span><span>increases osteoclast activity to release more calcium ions into the bloodstream.
In short, Your Answer would be Option C
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