Transcription takes place in the ___.

• nucleolus

• ribosomes

• nucleus

• nitrogen bases

The RNA codon AUG means

• add amino acid methionine

• start the protein here

• add the amino acid tyrosine

• end the polypeptide chain here

The transfer of genetic info from DNA to RNA is called

• translation

• transcription

• initiation

• elongation

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

A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?

• carbohydrates
• nucleic acids
• lipids
• proteins

Which of the following is the template for the production of RNA within a cell?

• DNA
• protein
• ATO
• carbohydrate

What molecules do both DNA and RNA contain?

• uracil
• nucleotides
• thymine
• deoxyribose

The genetic material of an organism is composed of

• lipids
• proteins
• deoxyribonucleic acids
• complex carbohydrates

The DNA sequence ATCAGCGCTGGC is part of a gene. how many amino acids are coded for by this message?

• 4
• 8
• 12
• 20

Tags

NGSS.HS-LS1-1