IB Biology DNA Replication and Protein Synthesis HL

What is the amino acid sequence for the following mRNA strand:

DNA is copied during a process called ______________ which results in an identical copy of itself.

• Photosynthesis

• Transcription

• Replication

• Translation

Genes contain instructions for assembling _______________.

• Nucleosomes

• Proteins

• Purines

• Pyrimidines

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Unlike DNA, RNA contains...

• a phosphate group

• thymine

• guanine

• uracil

DNA has a ______ strand; RNA has a ______ strand.

• double/double

• double/triple

• double/single

• single/single

In RNA, the nitrogen base____ replaces ____ that was present in DNA. 

• U (adenine, uracil)

• C (cytosine, guanine)

• U (uracil, thymine)

• U (uracil, adenine)

What is the transcribed mRNA strand for CATTAA

• GUAAUU

• GTAATT

• AUGGUU

• CATTAA

Which best describes the shape of a DNA molecule? 

• single helix 

• double helix

• single strand

• t-shaped strand

In DNA, Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine