Protein Synthesis Review

RNA polymerase then breaks the hydrogen bonds between the nitrogen bases, which opens or "______" the DNA.

• unzips

• zips

• folds

• twists

The DNA strand closes and twists back into a ______ _____?

• 
• single strand

• triple helix

• linear structure

Tags

NGSS.HS-LS1-1

The edited strand of mRNA leaves the _______

• Cytoplasm

• Nucleus

• Ribosome

• Endoplasmic Reticulum

Transcription begins when ___ __________ unwinds the DNA helix.

• DNA Ligase

• RNA Polymerase

• Helicase

• DNA Polymerase

The mRNA strand is released from the ___

• RNA

• Protein

• DNA

• Ribosome

tRNA brings the protein building blocks called _____ _____ to ribosome.

• 
• nucleotides

• fatty acids

• sugars

Tags

NGSS.HS-LS1-1

What is formed during TRANSLATION?

• DNA

• RNA

• Protein

• Lipids

Tags

NGSS.HS-LS1-1

What is formed during TRANSCRIPTION?

• mRNA

• tRNA

• rRNA

• DNA

What is a Point Mutation? Effects?

• A change in one nucleotide that can lead to a significant alteration in protein function.

• A change in one nucleotide that usually has no effect on the protein produced.

• A mutation that affects multiple nucleotides at once.

• A mutation that occurs only in non-coding regions of DNA.

Tags

NGSS.HS-LS3-2

_______ (non-coding regions) are cut out and removed.

• 
• Introns

• Codons

• Promoters