Review

Presentation

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Science

•

9th Grade

•

Practice Problem

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Medium

•

NGSS

MS-LS3-1

Standards-aligned

Darby Battle

Used 22+ times

FREE Resource

7 Slides • 9 Questions

Review

DNA Replication & Protein Synthesis

DNA vs RNA

DNA is double stranded

DNA is made with the sugar deoxyribose

DNA contains the nitrogen bases- adenine, guanine, thymine, and cytosine.

Multiple Choice

Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG

ATG TGA CAG

TAC ACT GTC

GTA AGT GAC

CAT TCA CTG

Multiple Choice

What is the backbone of DNA made of?

Nitrogen bases

Amino acids

Double H

Sugar & Phosphate

Multiple Choice

What is the purpose of DNA replication?

Cut the DNA

Make more cells

Apoptosis

Duplicate the DNA

DNA vs RNA

RNA is single stranded
RNA is made with the sugar ribose
RNA contains the nitrogen bases- adenine, guanine, cytosine, and uracil

Protein Synthesis or the creation of proteins happens in two steps.

Step 1: Transcription
Step 2: Translation

Transcription

Occurs in the nucleus.
During transcription, DNA is transcribed into mRNA.
The base pair rules used during transcription are…
o  A - U
o  T - A
o  C - G
o  G- C

Multiple Choice

How would the DNA sequence GCTATA be transcribed to mRNA?

GCUAUA

CGATAT

CGAUAU

GCUTUT

Multiple Choice

How does RNA differ from DNA?

RNA contains uracil and deoxyribose

RNA contains ribose and thymine

RNA contains uracil and ribose

RNA contains adenine and ribose

Multiple Choice

One difference between DNA and RNA is that....

Only RNA has the base Uracil

only RNA contains the base Thymine

only RNA contains the base Cytocine

only RNA contained the base Guanine

Translation

Occurs at the ribosome
mRNA is translated into an amino acid sequence
The mRNA strand is read by the ribosome in three letter chunks called a codon.
The final product of translation is a protein.

Multiple Choice

What amino acid is represented by the codon UUA?

Phenylalanine

Tyrosine

Leucine

Stop codon

Multiple Choice

Which of the following is the site of translation?

vacuole

lysosome

nucleus

ribosome

Multiple Choice

Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand:
GTAGTCA

UATUAGA

ACGACTG

CAUCAGU

CATCAGT

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