2nd 9 weeks Test Practice Flashcard

Front

What determines the order of amino acids in a protein?

Back

The order of mRNA codons.

Front

What role do oncogenes play in tumor formation?

Back

Unregulated cell division.

Front

Which amino acid is coded by the mRNA codon AUG?

Back

Methionine.

Front

Which enzyme is responsible for joining Okazaki fragments?

Back

Ligase.

Front

What is the result of a deletion mutation?

Back

A change in the reading frame.

Front

What is the function of mRNA in protein synthesis?

Back

mRNA carries the genetic information from DNA to the ribosome for protein synthesis.

Front

What is the role of tRNA in translation?

Back

tRNA transports amino acids to the ribosome and matches them to the mRNA codons.

Front

What is a mutation?

Back

A change in the DNA sequence that can lead to changes in protein structure and function.

Front

What is the central dogma of molecular biology?

Back

DNA -> RNA -> Protein.

Front

What is the function of DNA polymerase?

Back

DNA polymerase synthesizes new DNA strands by adding nucleotides complementary to the template strand.