DNA and Protein Synthesis

What is a codon?

• a sequence of 3 amino acids
• a sequence of three nitrogen bases
• a sequence of 3 enzymes
• a sequence of 3 proteins

Which type of RNA delivers the genetic code to the ribosome?

• tRNA
• mRNA
• rRNA
• tmRtmRNA

What is the function of tRNA?

• It is a part of the ribosome.

• It bonds to other RNA molecules, leading to their destruction.

• It delivers the correct amino acid to the ribosome.

• It carries the information coding for the amino acid sequence of a protein.

Which nucleotide is complementary to adenine?

• adenine
• thymine
• cytosine
• guanine

Which correctly outlined the central dogma

• DNA --> mRNA --> rRNA
• DNA --> tRNA --> protein
• DNA --> mRNA --> protein
• DNA --> amino acid --> protein

The drawing shows the structure of what molecule?

• A DNA molecule
• A lipid molecule
• A carbohydrate molecule
• A protein molecule

What is the difference between DNA and RNA

• DNA has uracil and RNA has thymine
• DNA is involved in transcription and RNA is involved in translation
• DNA contains thymine and RNA contains uracil
• DNA is made of nucleotides and RNA is not

Genes contain instructions for assembling _______________.

• Nucleosomes
• Proteins
• Purines
• Pyrimidines

Unlike DNA, RNA contains...

• a phosphate group
• thymine
• guanine
• uracil

What is produced during transcription?

• Protein
• tRNA
• mRNA
• DNA