Week 5 Lessons- Molecular Biology and Genetic Engineering

DNA-RNA-Protein

(Central Dogma) Lesson

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​DNA Base Pair Rule:

• Adenine pairs with Thymine (A-T; T-A)​

• Cytosine pairs with Guanine (C-G; G-C)​

Open Ended

What is DNA?

​Sugar Phosphate make the Backbone of DNA

Nitrogen Bases make the rungs/steps of DNA​

Hydrogen Bonds- bond the nitrogen bases together​

Multiple Choice

Which of these make the backbone of the DNA strand?

• Phosphate-sugar backbone

• Phosphate and Nitrogen Base

• Nitrogen bases

• Hydrogen bonds

Multiple Choice

Which of these make the rungs of the DNA strand?

• Phosphate-sugar backbone

• Phosphate and Nitrogen Base

• Nitrogen bases

• Hydrogen bonds

Multiple Choice

What is the monomer of DNA?

• Saccharides

• Fatty Acids

• Amino Acids

• Nucleotides

Draw

Draw and Identify the 3 components of a nucleotide?

​DNA Strands UNWIND

​DNA Polymerase PAIRS UP new strand

New DNA strands COVER UP​

Open Ended

What are the 3 stages of DNA replication?

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Multiple Select

What are the characteristics of RNA? (two correct answers)

• Deoxyribose sugar and Double stranded

• Single-stranded, ribose sugar

• Deoxyribose sugar, single-stranded

• Contains Adenine-Thymine; Cytosine-Guanine

• Contains Adenine-Uracil; Cytosine-Guanine

• Transcription: DNA strand transcribes a mRNA strand

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​DNA-->RNA-->Protein

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​Translation​: mRNA strand codes for Amino Acids (protein)

​Transcription -->

Translation --->​

Multiple Choice

What are the two steps of protein synthesis (in order)?

• Translation and Replication

• Transcription and Translation

• Replication and Transcription

• Replication and Mitosis

Multiple Choice

Which types of RNA are involved in transcription?

• mRNA

• tRNA

• rRNA

• pRNA

Multiple Choice

Which of these is the correct complementary RNA strand to the following DNA strand: ATG - GTA - CTG

• TAC - CAT - GAC

• TAC - GUT - GAC

• UAG - CAU - GAC

• TAC - CAU - GAC

Fill in the Blanks

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

AUG-GAC-ACU-UAG

Genetic Modification & Engineering

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Genetic Modification

Genetically Modified

Poll

Can scientists change an organism'ss genetic makeup?

• Yes

• No

Genetically Modified

The process of changing the genes of a living thing to alter its characteristics

What is genetically modified food?

Open Ended

Why do we genetically modify food?

Poll

Does everyone approve of genetically modified food?

• Yes

• No

Open Ended

List a food we genetically modify & WHY

Multiple Choice

What is inside our genes?

• The code for different traits

• The legs

Genetic Engineering

The genetic code of an organism is changed to produce a desired trait

Multiple Choice

What does it mean for a trait to be desired?

• You want to have that trait

• You want to get rid of that trait

• You are thirsty

What is genetic engineering?

Open Ended

List an example of genetic engineering

Open Ended

What sticks with you from the videos today?