Unit 4 Test Corrections 2024

Front

What is DNA replication?

Back

A process in which DNA makes an exact copy of itself.

Front

What is the role of mRNA in protein synthesis?

Back

mRNA provides information from DNA to ribosomes.

Front

What is a codon?

Back

A sequence of three nucleotides in mRNA that corresponds to a specific amino acid.

Front

What is the amino acid sequence for the codons AUG-CCA-GUA-GGG-UAA?

Back

MET-PRO-VAL-GLY-STOP.

Front

What is the difference between DNA and RNA?

Back

RNA contains the base Uracil instead of Thymine.

Front

What is transcription?

Back

The process of copying a segment of DNA into RNA.

Front

What is translation?

Back

The process of synthesizing proteins from mRNA at the ribosome.

Front

What are ribosomes?

Back

Cellular structures that synthesize proteins by translating mRNA.

Front

What is the significance of the start codon AUG?

Back

It signals the beginning of protein synthesis and codes for the amino acid Methionine.

Front

What is the function of tRNA?

Back

tRNA transfers amino acids to the ribosome during protein synthesis.