Protein Synthesis

What is the structure of DNA?

• Single-stranded polynucleotide chain

• Double-stranded polynucleotide chain

• Triple-stranded polynucleotide chain

• Quadruple-stranded polynucleotide chain

What are the components of a nucleotide?

• Sugar, phosphate, and nitrogenous base

• Sugar, lipid, and nitrogenous base

• Sugar, protein, and nitrogenous base

• Sugar, carbohydrate, and nitrogenous base

Which nitrogenous base pairs with adenine in DNA?

• Thymine

• Cytosine

• Guanine

• Uracil

What type of bonds hold the two DNA helixes together?

• Covalent bonds

• Ionic bonds

• Hydrogen bonds

• Peptide bonds

What is the basic unit of inheritance?

• Gene

• Chromosome

• Protein

• RNA

Which process synthesizes RNA using DNA as a template?

• Translation

• Replication

• Transcription

• Mutation

Where does transcription occur in eukaryotes?

• Nucleus

• Cytoplasm

• Mitochondria

• Endoplasmic reticulum

What is the process of synthesizing proteins called?

• Transcription

• Translation

• Replication

• Mutation

What is the function of tRNA in protein synthesis?

• Carries genetic information to ribosomes

• Synthesizes mRNA from DNA template

• Transfers amino acids to ribosomes

• Forms peptide bonds between amino acids

What is the role of ribosomes in protein synthesis?

• Synthesize DNA

• Synthesize RNA

• Transfer amino acids

• Link amino acids together