Which amino acids would you expect to find marked on the alpha helix? Alanine Isoleucine Leucine Methionine Phenylalanine Tryptophan Valine 000000 ||||||||| ||||||||| 000000 Nonpolar side chains; hydrophobic Side chain (R group) HN Ô CÓ HO Glycine (Gly or G) CH₂ $ CH₂ CH₂ H₂N OH CH₂ Со CH₂ H₂NCCO НО Alanine (Ala or A) Methionine (Met or M) Polar side chains; hydrophilic Q OH CH, CH CH₂ HN CO HO Phenylalanine (Phe or F) H₂NCCO H₂N НО Aspartic acid (Asp or D) COH₂NCO" Н О Serine Threonine (Thr or T) (Ser or S) Electrically charged side chains; hydrophilic Acidic (negatively charged) H₂N 90 CH₂ CH₂ CH₂ CH₂ CH H₂NCCO HO Valine (Val or V) 0 CH₂ Cysteine (Cys or C) Glutamic acid (Glu or E) OHN 00000000 ||||||||| ||||||||||| 00000000 NH₂ CH₂ CH₂ CH₂ CH₂ HIN Ở ĐÓ CH₂ CH₂ CH₂ CH₂ CH NH HO Leucine (Leu or L) H₂NC H Tryptophan (Trp or W) OH NH, Ô CH₂ H₂C HẲN CH₂ CH₂ CH₂ H₂NCCO H₂NCCO HO HỎ Lysine (Lys or K) CH₂ CH₂ H₂C CH Hạnh ớ Ợ Đ COH₂NCCO НО Tyrosine Asparagine (Asn or N) (Tyr or Y) Basic (positively charged) NH₂ Ở NHƯ NH Arginine (Arg or R) ||||| Lipid bilayer HO Isoleucine (Ile or 1) CH₂ Proline (Pro or P) CH₂ Ô Ô Đ HO NH₂O CH₂ CH₂ H₂NC CO Glutamine (Gin or Q) NH NH CH₂ H₂NCO HO Histidine (His or H)
Essential nutrients
These are the organic compounds present in the food that provide nourishment essential for the development and growth of our body. Nutrients not only provide us with the required energy to carry out various biological processes but are also the building blocks for repair and growth in our bodies.
Vitamins
The vitamins are organic molecules required in low concentration for the proper functioning of the body. They cannot be generated in the organism and are taken into the body through the diet. The lack of proper vitamins results in diverse deficiency disorders. They are thus called essential nutrients. The important vitamins are vitamin A, vitamin B complex, vitamin C, vitamin D, vitamin K, and vitamin E.
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