Protein Synthesis

Experiments have demonstrated "the words" of the genetic code are

• single nucleotides

• two nucleotide sequences

• 3 nucleotide sequences

• enzymes

The transfer of genetic info from DNA to RNA is called

• translation

• transcription

• initiation

• elongation

Which of the following sequences best describes the flow of information that takes place when a gene directs the synthesis of a cellular component?

• RNA-DNA-RNA-PROTEIN

• DNA-RNA-PROTEIN

• PROTEIN-RNA-DNA

• DNA-AMINO ACID-RNA-PROTEIN

Tags

NGSS.HS-LS1-1

Translation consists of which of the following?

• conversion of genetic info from the language of nucleic acids to the language of proteins

• conversion of genetic info from DNA to RNA

• addition of nucleotides to a DNA template

• DNA replication

Tags

NGSS.HS-LS1-1

Which of the following is required for translation to occur?

• energy

• ribosomes

• tRNA

• all of these

The info carried by DNA is in

• an amino acid sequence

• the sugars and phosphates that form the backbone

• the order of bases in the molecule

• the total number of nucleotides

Tags

NGSS.HS-LS1-1

A gene is

• the same as a chromosome

• the info for making a polypeptide

• made of RNA

• made of protein

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

During the process of translation, ____ matches a nucleic acid codon with the proper amino acid.

• a ribosome

• ATP

• polymerase

• mRNA

tRNA plays a role in which of the following ?

• picking up the amino acid specified by the anticodon

• recognizing the appropriate codons in mRNA

• translating codons into amino acids

• all of these are correct

Any change in the nucleotide sequence of a gene is called

• a mutation

• a codon

• a translation

• an anticodon

Tags

NGSS.HS-LS3-2