PROTEIN SYNTHESIS

The monomers units of DNA and RNA are

• amino acids

• monosaccharides

• nucleotides

• fatty acids

The RNA codon AUG means

• add amino acid methionine

• start the protein here

• add the amino acid tyrosine

• end the polypeptide chain here

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

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

When RNA is being made, the RNA base ____ always pairs with the base ___ in DNA.

• U-T

• T-G

• U-A

• A-U

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

The central dogma of biology states that information flows in one direction from 

• nuclei to RNA to cytoplasm
• ribosomes to proteins to DNA
• genes to nuclei to ribosomes
• DNA to RNA to proteins