head. 53. Phospholipids have a 54. Proteins are polymers ofconnected by 55. Ther
ID: 274020 • Letter: H
Question
head. 53. Phospholipids have a 54. Proteins are polymers ofconnected by 55. There are kinds of amino acids in living things, andof them are essential amino acids. 56. The basic structure of all amino acids are:- _ group,?? __ group, and - tail and a bonds. group (side chain). 57.- group of an amino acid determines the property of the amino acid. 58. What are the 4 levels of protein structures? 59. The secondary structure of protein has two forms: 60.are proteins that help the proper folding of proteins. 61. Define protein denaturation. and 62. List major functions of proteins. 63. Nucleic acids include the genetic material, and , a single-stranded molecule. Both of them are polymers of 64. A DNA nucleotide consists of a group, a pentose sugar), and one of the following bases 65. In a DNA molecule. A pairs withG pairs with The two strands of DNA are held bonds together by 66. A RNA nucleotide consists of a group, a tpentose sugar), and one of the following bases 67. ATP is a special the pentose sugar phosphate bond has the highest make of the base The and threeExplanation / Answer
53. Ans- Hydrophobic and hydrophilic.
Explanation:
The phospholipids have a hydrophobic or water repelling tails and hydrophilic or water-loving head. The phospholipid head consists of an alcohol and phosphate group, while the tails consists of fatty acid.
54. Ans- Amino acids and peptide bond
Explanation:
Proteins are polymers made out of amino acids that are connected by peptide bonds to form polypeptide chains.
55. Ans- 20 and 9
Explanation:
There are 20 amino acids found in living things, and nine are essential amino acids such as histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine.
56. Ans- a carboxyl group (COOH), an amino group (NH2), and an R-group or side chain
Explanation:
The basic structure of all amino acids have are a carboxyl group (COOH), an amino group (NH2), and an R-group or side chain.
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