Review Unit 6

Fill in the Blanks

What was the structure of the first DNA molecule that was x-rayed in 1952?

Multiple Choice

What type of bonds holds the nitrogen bases together?

• Atomic Bond

• Hydrogen Bond

• Helium Bond

• Jail Bond

Fill in the Blanks

What is the complementary base of

ACT GCA TCG

Please write in CAPS and include a space in between codons.

Match

Match the following

• DNA has the code for making...

• DNA & RNA

• Examples of proteins

• Single stranded

• Double stranded

Proteins

Nucleic Acids

Histones in chromosomes

RNA

DNA

• Proteins

• Nucleic Acids

• Histones in chromosomes

• RNA

• DNA

DNA Transcription & Translation

Multiple Choice

Where is DNA found in eukaryotic cells?

• nucleus

• cytoplasm

• mitochondria

• cell membrane

Multiple Choice

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Multiple Choice

What do we call the process of turning DNA into mRNA?

• Translation

• Transcription 

• Replication

Multiple Choice

Translation is the process where

• mRNA is created in the Nucleus

• mRNA is decoded to form a protein 

• glucose molecules are made

• is where lipids are synthesised

Multiple Choice

Where does Translation occur?

• Proteins

• Mitochondria

• Ribosomes

• Cytoplasm

Multiple Choice

What is the function of the nucleic acid tRNA?

• Carries genetic information from the DNA to ribosomes

• Carries amino acids to protein building ribosomes

• Facilitates chemical reactions that form ribosomes

• Serves as the site of protein synthesis

Reorder

What are the steps in order of protein synthesis.

• Messenger RNA is produced using DNA as a template

• mRNA attaches to the ribosome

• a anti-codon on tRNA bonds to a specific codon on mRNA

• Amino acids bond together to create a peptide chain

• A protein is created

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

Amino acids are the building blocks of... 

• DNA

• RNA

• Atoms

• Proteins

Multiple Choice

What type of RNA carries the DNA message out of the nucleus to the ribosomes?

• mRNA

• tRNA

• RNA

• DNA

Multiple Choice

Which process is happening in this picture?

• Transcription

• Translation

• Replication

Multiple Choice

What is occurring in this picture?

• Translation

• DNA Replication

• Polymerase is unzipping the DNA

• Transcription

Multiple Choice

There are several steps in gene expression. DNA is a double helix, that unwinds into two strands. What is the next step in DNA replication as shown in diagram 2?

• Process; replication; produvt tRNA

• Process; Transcription; product; mRNA

• Process; Transctription; product; DNA

• Process; recombination; product; polymerase

Multiple Choice

What is the mRNA for the following DNA strand?

TAC GTA

• GCT AGC

• ATG CAT

• AUG CAU

Multiple Choice

How many nucleotides are in 1 codon?

• 1

• 2

• 3

• 4

Multiple Choice

In mRNA, each codon specifies a particular...

• nucleotide

• purine

• amino acid

• pyrimidine

Multiple Choice

If the mRNA codon is AUG, what amino acid would the tRNA bring?

• Met

• GLu

• Ala

• Phe

​= 7 letters for our original

​=6 letters (DELETION)

​=8 letters (INSERTION)

​=7 letters (SUBSTITUTION)

Multiple Choice

Original DNA: GCA TGC TAC

Mutated DNA: GCA TGT ACAT

Count the number of base pairs!

• INSERTION

• DELETION

• SUBSTITUTION

Multiple Choice

Using the question you just answered- identify the type of mutation.

• Point Mutation

• Frameshift Mutation

Multiple Choice

Original DNA: GCG AGT TGA

Mutated DNA: GCG AGC TGA

• INSERTION

• DELETION

• SUBSTITUION

Multiple Choice

Using the question you just answered- identify the type of mutation.

• Point Mutation

• Frameshift Mutation

Multiple Choice

Original DNA: GCG AGC TGA

Mutated DNA: GCC AGT GA

• INSERTION

• DELETION

• SUBSTITUTION

Multiple Choice

Using the question you just answered- identify the type of mutation.

• Point Mutation

• Frameshift Mutation