Transcription & Translation

A section of DNA has these bases: TAG CAG TAC. What mRNA sequence is produced fro this DNA section?

• ATC GTC ATG

• AUC GUC AUG

• AUG CUG AUC

• UTC GTC UTG

Tags

NGSS.HS-LS3-1

Which best summarizes the role of DNA in the production of proteins?

• DNA moves to the cytoplasm to build proteins.

• DNA transports amino acids to the ribosomes to make proteins.

• DNA contains the instructions used to make proteins.

• DNA breaks hydrogen bonds between amino acids.

Tags

NGSS.HS-LS1-1

A segment of a DNA strand has the following bases: TAC GAT. What is the complementary strand of DNA?

• UAG CA

• TAG CAT

• ATG CTA

• AUG CUA

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

What does DNA do?

• a.  It carries genetic codes from parents to offspring.
• a.  It carries oxygen from the lungs to the body.
• a.  It tells you who you are.
• a.  It defines the organism.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1