Unit 8 | Protein Synthesis - Transcription & Translation

Presentation

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Science

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9th Grade

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Practice Problem

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Medium

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NGSS

HS-LS3-1, HS-LS1-1, HS-LS3-2

Standards-aligned

Dilenia Gomez

Used 4+ times

FREE Resource

17 Slides • 12 Questions

Multiple Choice

What is the main purpose of transcription in protein synthesis?

Copy mRNA into DNA

Deliver amino acids to ribosomes

Copy a gene from DNA into mRNA

Cut DNA into small fragments

Open Ended

Name one structural difference between DNA and RNA.

Type response here

Multiple Choice

What is the name of the DNA region where RNA polymerase first binds to start transcription?

Intron

Promoter

Exon

Codon

Multiple Choice

During elongation in transcription, which enzyme adds RNA nucleotides to the growing strand?

RNA Polymerase

Ligase

DNA Polymerase

Multiple Choice

What signals RNA polymerase to stop adding bases during transcription?

A terminator sequence

The start site

A ribosome

A stop codon

Multiple Choice

What is the end result of translation?

A copied strand of DNA

An mRNA sequence

A ribosome

A protein (polypeptide chain)

Multiple Choice

Which type of RNA brings amino acids to the ribosome during translation?

mRNA

tRNA

rRNA

DNA

Multiple Choice

Which codon signals the start of translation?

AUG

UAG

UAA

ACG

Multiple Choice

What happens when a new tRNA brings in an amino acid?
a)

The ribosome stops

The mRNA detaches

The tRNA stays attached permanently

It joins the growing chain

Multiple Choice

What happens when a stop codon is reached?

The amino acid chain is released

Translation restarts

A mutation is added

The ribosome forms more mRNA

Fill in the Blanks

Match

Match the following

A base is inserted or deleted, changing the entire reading frame

A base is changed, but it still codes for the same amino acid

A point mutation results in a premature stop codon

A point mutation changes one amino acid to a different one

Frameshift Mutation

Silent Mutation

Nonsense Mutation

Missense Mutation

Resources

Transcription Read: https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/transcription-and-rna-processing/a/overview-of-transcription
Protein Synthesis (transcription + translation) Video:https://www.youtube.com/watch?v=gG7uCskUOrA
Amoeba Sisters Protein Synthesis Video:https://www.youtube.com/watch?v=oefAI2x2CQM
Amoeba Sisters: Codon Chart Reading:https://www.youtube.com/watch?v=LsEYgwuP6ko
Translation Read: https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/translation/a/translation-overview
Protein Synthesis: Protein Synthesis Animation Video - YouTube

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