Unit 4, Part 3

The portion of the DNA molecule that codes for a protein is called ______________.

• an amino acid
• a gene
• mRNA
• a chromosome

Tags

NGSS.HS-LS1-1

Process by which a molecule of DNA is copied into a strand of RNA is called ________.

• replication
• translation
• transcription
• protein synthesis 

The process by which mRNA is decoded into a protein is called ________.

• replication
• translation
• transcription
• protein synthesis

The nitrogen base that is found in RNA but not in DNA is ________.

• adenine
• cytosine
• thymine
• uracil

Which of the following statements applies to RNA?

• It's a single strand of nucleotides.
• It has a deoxyribose sugar/phosphate backbone.
• It is a double helix.
• It has thymine which binds to adenine. 

Which of the following is the correct sequence of events in protein production?

• DNA to amino acid to protein
• DNA to protein to RNA
• DNA to RNA to protein
• RNA to DNA to protein 

A series of three consecutive nitrogen bases found in the mRNA is known as _________.

• an anticodon
• an amino acid
• a nucleotide
• a codon

The molecule that carries the gene code from the nucleus to the cytoplasm is called _________.

• DNA
• mRNA
• tRNA
• rRNA

Molecules that carry amino acids to the ribosomes are called _____.

• DNA
• mRNA
• tRNA
• rRNA

The three consecutive nitrogen bases on a tRNA molecule are called _________, and they ensure the correct amino acid is carried to the ribosome. 

• a codon
• amino acid
• an antiacid 
• an anticodon