A substance that causes mutations in DNA.

A tool used in genetic engineering.

A type of DNA replication error.

A molecule that carries genetic information.

Lecture 5, Part C | Quizalize

101 questions

What is replica plating?

30 sec

Which type of microorganisms are commonly used in replica plating?

30 sec

What is the benefit of replica plating?

30 sec

In replica plating, what is the purpose of the master plate?

30 sec

Which of the following is true about replica plating?

30 sec

What is a key component in replica plating?

30 sec

What is negative selection in testing for mutations?

30 sec

What is the purpose of a negative selection (removing) test for mutations?

30 sec

What is positive selection in testing for mutations?

30 sec

What is a mutagen?

30 sec

What are some examples of mutagens?

30 sec

What is the Ames test used for?

30 sec

What is a carcinogen?

30 sec

How does a carcinogen typically cause cancer?

30 sec

What was the purpose of Griffith's 1928 experiment?

30 sec

What did Griffith's 1928 experiment reveal about bacterial transformation?

30 sec

What type of bacteria did Griffith use in his 1928 experiment?

30 sec

Which of the following was NOT a key finding of Griffith's 1928 experiment?

30 sec

In Griffith's 1928 experiment, what happened when mice were injected with a mixture of heat-killed virulent bacteria and non-virulent bacteria?

30 sec

What was the key observation made by Griffith during his 1928 experiment?

30 sec

What did Griffith's 1928 experiment demonstrate about transformation?

30 sec

What were the two strains of Streptococcus pneumoniae used by Griffith in his 1928 experiment?

30 sec

In genetics, what is the term for the process where a bacterium takes up naked DNA from its surroundings and incorporates it into its own genome?

30 sec

Which of the following processes involves the transfer of genetic material between bacteria through direct cell-to-cell contact?

30 sec

During what process does genetic material transfer occur between bacteria through the action of a bacteriophage?

30 sec

Which of the following processes involves the transfer of genetic material between bacteria through the uptake of DNA from their surroundings?

30 sec

Which of the following processes involves the transfer of genetic material between bacteria through the action of a virus?

30 sec

Which of the following is a process where a bacterium replicates its DNA and divides into two identical daughter cells?

30 sec

Which type of transduction involves the transfer of random bacterial DNA?

30 sec

Which type of transduction involves the transfer of specific bacterial DNA?

30 sec

In which type of transduction does the bacteriophage require a helper phage?

30 sec

Which type of transduction is mediated by a bacteriophage?

30 sec

Which type of transduction involves the transfer of bacterial genes through a conjugative plasmid?

30 sec

Which type of transduction is more efficient in transferring bacterial genes over longer distances?

30 sec

What is the main difference between generalized transduction and specialized transduction?

30 sec

How does generalized transduction differ from specialized transduction?

30 sec

Which transduction process involves the transfer of specific genes near the viral integration site?

30 sec

Which of the following is a similarity between generalized transduction and specialized transduction?

30 sec

Which of the following is true about specialized transduction?

30 sec

Competence is the ability of bacterial cells to take up _______ from their external environment.

30 sec

Competence in bacteria refers to their ability to uptake and incorporate which of the following?

30 sec

Which of the following is NOT a mechanism of horizontal gene transfer?

30 sec

Which of the following organisms is capable of horizontal gene transfer?

30 sec

What are bacteriocins?

30 sec

Restriction endonucleases are bacteriocin enzymes that:

30 sec

Which of the following is NOT a characteristic of restriction endonucleases?

30 sec

Which of the following is a property of restriction endonucleases?

30 sec

Restriction endonucleases are commonly used in which molecular biology technique?

30 sec

Which of the following is true about restriction endonucleases?

30 sec

What is a DNA palindrome?

30 sec

What is a characteristic feature of a DNA palindrome?

30 sec

Which of the following is an example of a DNA palindrome?

30 sec

How do DNA palindromes contribute to genetic engineering?

30 sec

Which of the following is a characteristic of EcoRI?

30 sec

What is the role of EcoRI in genetic engineering?

30 sec

What is recombinant DNA?

30 sec

What is a plasmid in the context of recombinant DNA?

30 sec

What is the purpose of genetic engineering?

30 sec

What is a transgenic organism?

30 sec

What is the purpose of a vector in genetic engineering?

30 sec

What is a transgene in genetic engineering?

30 sec

What is a restriction enzyme in genetic engineering?

30 sec

What is gene cloning in genetic engineering?

30 sec

Which of the following is a use of genetic engineering?

30 sec

What is a common use of genetic engineering in medicine?

30 sec

What does GMO stand for?

30 sec

Why are GMOs created?

30 sec

Which of the following is a potential benefit of GMOs?

30 sec

What is the process of genetic modification in GMOs called?

30 sec

What is the purpose of PCR in DNA fingerprinting?

30 sec

Which of the following techniques is used to analyze DNA in DNA fingerprinting?

30 sec

Which of the following is true about DNA fingerprinting?

30 sec

What is the main purpose of DNA fingerprinting in forensic investigations?

30 sec

Which enzyme is commonly used in DNA fingerprinting to cut DNA into fragments?

30 sec

What is the purpose of gel electrophoresis?

30 sec

Which charge do DNA fragments carry during gel electrophoresis?

30 sec

What is the purpose of loading dye in gel electrophoresis?

30 sec

What is the purpose of running a DNA ladder in gel electrophoresis?

30 sec

What is the role of the electric current in gel electrophoresis?

30 sec

What is the purpose of a DNA stain in gel electrophoresis?

30 sec

What is the purpose of a running buffer in gel electrophoresis?

30 sec

What is the purpose of the polymerase chain reaction (PCR)?

30 sec

What is the purpose of the template DNA in the polymerase chain reaction (PCR)?

30 sec

Which enzyme is responsible for DNA synthesis in the polymerase chain reaction (PCR)?

30 sec

What is the purpose of the annealing step in the polymerase chain reaction (PCR)?

30 sec

What is the role of primers in the polymerase chain reaction (PCR)?

30 sec

Which of the following is the correct order of steps in the polymerase chain reaction (PCR)?

30 sec

What is the purpose of the denaturation step in the polymerase chain reaction (PCR)?

30 sec

What is the purpose of the annealing step in the polymerase chain reaction (PCR)?

30 sec

What is the role of DNA polymerase in the polymerase chain reaction (PCR)?

30 sec

What is the purpose of the extension step in the polymerase chain reaction (PCR)?

30 sec

What is the first step in the polymerase chain reaction (PCR)?

30 sec

What is the purpose of the template DNA in the polymerase chain reaction (PCR)?

30 sec

What is metagenomics?

30 sec

Which of the following is a common application of metagenomics?

30 sec

How does metagenomics differ from traditional genomics?

30 sec

What is one of Craig Venter's notable achievements?

30 sec

What is the name of the project led by Craig Venter to create a synthetic organism?

30 sec

Which organization spearheaded the Human Genome Project, in which Craig Venter played a significant role?

30 sec

What percentage of the genome codes for proteins?

100

30 sec

What percentage of the human genome is considered "junk DNA?"

101

30 sec

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