AP Biology : Proteins
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Example Questions
Example Question #151 : Dna, Rna, And Proteins
What type of chemical bonds are involved when codons bond to anticodons in translation?
Amide linkages
Ionic bonds
Phosphodiester bonds
Hydrogen bonds
Disulfide bonds
Hydrogen bonds
The bonding of a codon to its anticodon is accomplished through the use of hydrogen bonds. Hydrogen bonds are weak bonds; therefore, amino acids are easily dissociated from their corresponding transfer RNA once delivered to the ribosome for translation. Hydrogen bonds are also responsible for connecting the bases of complementary strands of DNA which results in its double helix.
Example Question #152 : Dna, Rna, And Proteins
Proteins are polymers of __________.
amino acids
nucleotides
glucose
fatty acids
amino acids
Proteins are polymers of amino acids, which have an amino group, carboxyl group, and a side chain known as an R-group. Nucleotides make up DNA and RNA. Glucose is a carbohydrate monomer and make up starches, cellulose, and glycogen. Fatty acids are components of lipids.
Example Question #15 : Understanding Amino Acids
What is the one element that proteins have that carbohydrates and lipids do not have?
Hydrogen
Oxygen
Carbon
Nitrogen
Nitrogen
Amino acids, which make up proteins, have an amino group, which contains nitrogen. Carbohydrates and lipids contain the elements carbon, hydrogen, and oxygen, but they do not contain nitrogen.
Example Question #153 : Dna, Rna, And Proteins
Which of the following is not one of the four basic components of an amino acid?
Side chain
Basic amino group
Nitrogenous base
Acidic carboxyl group
Hydrogen atom
Nitrogenous base
A nitrogenous base is a part of the DNA/RNA structure. They include adenine, guanine, cytosine, thymine, and/or uracil. All other answer choices are parts of amino acids.
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