PHL 4

What is a gene?

• A genetic sequence of RNA

• A genetic sequence of DNA

• A sequence of amino acids

• A protein sequence

Which of the following nitrogenous bases are present in DNA?

• Adenine, Thymine, Cytosine, Guanine

• Adenine, Uracil, Cytosine, Guanine

• Adenine, Thymine, Guanine, Cytosine

• Adenine, Thymine, Cytosine, Uracil

What is the purpose of RNA Polymerase?

• Synthesizes mRNA

• Synthesizes tRNA

• Synthesizes DNA

• Synthesizes rRNA

What is the product of transcription that brings information outside of the nucleus for protein creation?

• mRNA

• tRNA

• rRNA

• snRNA

What is the enzyme that synthesizes a new daughter strand during DNA replication?

• Helicase

• DNA Polymerase 3

• DNA Polymerase 1

• Primase

What is the purpose of Gel Electrophoresis?

• Introducing new genes into DNA

• Amplifying DNA sequences

• Creating DNA fragments

• Separating DNA fragments based on size

What is the function of Cas9 in the CRISPR system?

• Cuts the genetic material

• Proof-reads DNA sequences

• Creates RNA primers

• Adds nucleotides to DNA

What is the purpose of gene therapy?

• Create transgenic animals

• Produce pharmaceuticals in animals

• Treat genetic disorders by providing healthy genes

• Introduce new genes into plants

What is the main goal of DNA fingerprinting?

• Produce transgenic bacteria

• Create genetically modified plants

• Amplify specific DNA sequences

• Identify and distinguish individuals based on DNA variation

What is the role of reverse transcriptase in RT-PCR?

• Proof-reads DNA sequences

• Cuts DNA at specific sites

• Adds nucleotides to DNA

• Synthesizes DNA from RNA template