Biology STAAR (State of Texas Assessments of Academic Readiness) Practice Test

Disable ads (and more) with a membership for a one time $2.99 payment

Study for the Biology STAAR Test. Improve your skills with flashcards and multiple choice questions, each question is accompanied by hints and explanations. Prepare for success!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What happens during the process of translation?

DNA is replicated
RNA is translated into DNA
Amino acids are linked to form proteins
mRNA is formed from tRNA

The correct answer is: Amino acids are linked to form proteins

During the process of translation, the primary role is to synthesize proteins from messenger RNA (mRNA). This process occurs in the ribosomes, where mRNA, which carries the genetic code from DNA, is decoded to produce a specific sequence of amino acids. Each group of three nucleotides in the mRNA sequence, known as a codon, corresponds to a specific amino acid. Transfer RNA (tRNA) plays a crucial role in this mechanism by bringing the appropriate amino acids to the ribosome. The ribosome facilitates the binding of tRNA to mRNA and catalyzes the formation of peptide bonds between the amino acids. As this process continues, the amino acids are linked together in the order specified by the mRNA, ultimately forming a polypeptide chain that will fold into a functional protein. Understanding this process highlights the pivotal role translation plays in expressing the genetic information stored in DNA. It is essential for the synthesis of proteins, which are crucial for countless cellular functions and overall organismal development.