Question | Answer |
Proteins are polymers of [...]. | Proteins are polymers of amino acids. |
Amino acids have [...] and carboxyl groups. | Amino acids have amino and carboxyl groups. |
Amino group: [...] | Amino group: -NH2 |
Carboxyl group: [...] | Carboxyl group: -COOH |
There are [...] naturally occurring amino acids | There are 20 naturally occurring amino acids |
The letter '[...]' represents the variable part of an amino acid | The letter 'R' represents the variable part of an amino acid |
The bond between the carboxyl group of one amino acid and the amino group of another is called a [...] bond. | The bond between the carboxyl group of one amino acid and the aminr group of another is called a peptide bond. |
Polypeptides are small [...]: chains of amino acids | Polypeptides are small proteins: chains of amino acids |
Amino acids can be joined by [...] bonds. | Amino acids can be joined by peptide bonds. |
Technically, a protein can be [#] polypeptide chains. | Technically, a protein can be one or more polypeptide chains. |
Nucleic acids are polymers made of [...]. | Nucleic acids are polymers made of nucleotides. |
A [...] consists of: a phosphate group, a sugar, and a nitrogenous (nitrogen-containing) base | A nucleotide consists of: a phosphate group, a sugar, and a nitrogenous (nitrogen-containing) base |
Purines are nitrogenous bases with [...] ring structures. | Purines are nitrogenous bases with two ring structures. |
Pyrimidines are nitrogenous bases with [...] ring structure. | Pyrimidines are nitrogenous bases with one ring structure. |
The [...] in DNA are adenine and guanine | The Purines in DNA are adenine and guanine |
The [...] in DNA are cytosine and thymine | The Pyrimidines in DNA are cytosine and thymine |
Nucleotides bond between the [...] of one nucleotide and the -OH group of the sugar of the next. | Nucleotides bond between the phosphate of one nucleotide and the -OH group of the sugar of the next. |
Amino acids have amino and [...] groups. | Amino acids have amino and carboxyl groups. |
A nucleotide consists of: a [...] group, a sugar, and a nitrogenous (nitrogen-containing) base | A nucleotide consists of: a phosphate group, a sugar, and a nitrogenous (nitrogen-containing) base |
A nucleotide consists of: a phosphate group, a [...] , and a nitrogenous (nitrogen-containing) base | A nucleotide consists of: a phosphate group, a sugar, and a nitrogenous (nitrogen-containing) base |
A nucleotide consists of: a phosphate group, a sugar, and a [...] base | A nucleotide consists of: a phosphate group, a sugar, and a nitrogenous (nitrogen-containing) base |
Nucleotides bond between the phosphate of one nucleotide and the [...] group of the sugar of the next. | Nucleotides bond between the phosphate of one nucleotide and the -OH group of the sugar of the next. |
Nucleotides bond between the phosphate of one nucleotide and the -OH group of the [...] of the next. | Nucleotides bond between the phosphate of one nucleotide and the -OH group of the sugar of the next. |