Central Dogma Practice Questions Quiz

What are the three parts of a nucleotide?

• Sugar, phosphate, and a nitrogen base

• Sugar, protein, and a nitrogen base

• Phosphate, lipid, and a nitrogen base

• Sugar, lipid, and a protein

Write out the complementary DNA sequence for ATCGGACTTC.

• TAGCCTGAAG

• ATCGGACTTC

• CGATTCGGA

• GCTTAGCCA

Name one way DNA and RNA are different.

• RNA has ribose sugar, DNA has deoxyribose sugar

• DNA has ribose sugar, RNA has deoxyribose sugar

• Both have ribose sugar

• Both have deoxyribose sugar

If 20% of a DNA strand is A, what percent is G?

• 30%

• 20%

• 40%

• 50%

Which base is found in RNA but not in DNA?

• Uracil

• Thymine

• Adenine

• Cytosine

What is the complementary base pair for adenine in DNA?

• Thymine

• Cytosine

• Guanine

• Uracil

What is the role of tRNA in translation?

• To transport amino acids to the ribosome

• To carry genetic information

• To replicate DNA

• To synthesize lipids

What is the process of forming mRNA from DNA called?

• Transcription

• Translation

• Replication

• Transformation

What happens during transcription?

• DNA is replicated into more DNA.

• DNA code is used to make an mRNA.

• Proteins are assembled from amino acids.

• tRNA is synthesized from mRNA.

What is the relationship between codons and anticodons?

• Codons are part of DNA, anticodons are part of proteins.

• Codons are sequences on mRNA, anticodons are complementary sequences on tRNA.

• Codons and anticodons are identical sequences.

• Codons are part of tRNA, anticodons are part of mRNA.