DNA & Tech | Ch22 – Test Bank – 16th Ed

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Human Biology, 16e (Mader)

Chapter 22 DNA Biology and Technology

1) What are the three things DNA must be able to do in order to serve as the genetic material?

Section: 22.01

Topic: DNA Structure

Bloom's: 6. Create

Learning Outcome: 22.01.01 Describe the structure of a DNA molecule.

Accessibility: Keyboard Navigation

2) Which of the following are found within the monomer unit of DNA?

A) phosphate, nitrogen bases

B) phosphate, amino acids

C) fatty acids, sugars

D) amino acids, nitrogen bases

E) nitrogen bases, fatty acid

Section: 22.01

Topic: DNA Structure; Nucleic Acids

Bloom's: 1. Remember

Learning Outcome: 22.01.01 Describe the structure of a DNA molecule.

Accessibility: Keyboard Navigation

3) Which of the following is the monomer unit of DNA?

A) amino acids

B) fatty acids

C) nucleotides

D) carbohydrate rings

E) steroid rings

Section: 22.01

Topic: DNA Structure; Nucleic Acids

Bloom's: 1. Remember

Learning Outcome: 22.01.01 Describe the structure of a DNA molecule.

Accessibility: Keyboard Navigation

4) The bases in DNA are complementary. A always binds with

A) A.

B) C.

C) G.

D) T.

E) U.

Section: 22.01

Topic: DNA Structure; Nucleic Acids

Bloom's: 1. Remember

Learning Outcome: 22.01.01 Describe the structure of a DNA molecule.

Accessibility: Keyboard Navigation

5) Which of the following is true about the structure of DNA?

A) The sides of the ladder structure are made up of sugar and phosphate.

B) The bases form the "rungs" of the ladder structure.

C) The ladder structure is twisted into a double helix.

D) A always pairs with T and G always pairs with C.

E) All of the answer choices are true of DNA structure.

Section: 22.01

Topic: DNA Structure; Nucleic Acids

Bloom's: 4. Analyze

Learning Outcome: 22.01.01 Describe the structure of a DNA molecule.

Accessibility: Keyboard Navigation

6) Mitochondria also contain DNA.

Section: 22.01

Topic: DNA Structure

Bloom's: 1. Remember

Learning Outcome: 22.01.01 Describe the structure of a DNA molecule.

Accessibility: Keyboard Navigation

7) DNA replication is considered

A) conservative.

B) semiconservative.

C) dispersive.

D) relaxed.

E) stringent.

Section: 22.01

Topic: DNA Replication

Bloom's: 2. Understand

Learning Outcome: 22.01.02 Explain the process of DNA replication and list the major enzymes involved.

Accessibility: Keyboard Navigation

8) List and explain the five steps involved in DNA replication.

1. The enzyme DNA helicase unwinds and unzips the DNA strand by breaking the hydrogen bonds between the base pairs.

2. New complementary DNA nucleotides are fit into place by the process of complementary base pairing. These are positioned and joined by the enzyme DNA polymerase.

3. DNA synthesis occurs in an antiparallel direction. The leading strand follows the helicase while the lagging strand results in short segments called Okazaki fragments.

4. The enzyme ligase seals any breaks or gaps in the DNA strand, allowing DNA to return to its coiled state.

5. The result is two double-helix strands that are identical to each other.

Section: 22.01

Topic: DNA Replication

Bloom's: 6. Create

Learning Outcome: 22.01.02 Explain the process of DNA replication and list the major enzymes involved.

Accessibility: Keyboard Navigation

9) What is the role of the enzyme ligase in DNA replication?

A) It unzips the double-stranded DNA.

B) It seals any breaks in the sugar-phosphate backbone.

C) It breaks the hydrogen bonds that hold the two strands of the DNA together.

D) It matches new bases to the old strand by complementary base pairing.

E) It folds the DNA into a coiled structure.

Section: 22.01

Topic: DNA Replication

Bloom's: 2. Understand

Learning Outcome: 22.01.02 Explain the process of DNA replication and list the major enzymes involved.

Accessibility: Keyboard Navigation

10) The denaturation of which enzyme would most directly interrupt the process of base pairing of nucleotides during DNA replication?

A) DNA polymerase

B) DNA ligase

C) DNA helicase

D) binding proteins

E) Okazaki fragments

Section: 22.01

Topic: DNA Replication

Bloom's: 5. Evaluate

Learning Outcome: 22.01.02 Explain the process of DNA replication and list the major enzymes involved.

Accessibility: Keyboard Navigation

11) What is the name of the enzyme that fits new complementary DNA nucleotides into the new strand?

A) DNA polymerase

B) DNA helicase

C) DNA replicase

D) DNA ligase

E) DNA telomerase

Section: 22.01

Topic: DNA Replication

Bloom's: 1. Remember

Learning Outcome: 22.01.02 Explain the process of DNA replication and list the major enzymes involved.

Accessibility: Keyboard Navigation

12) In what way are DNA and RNA similar?

A) Both contain C, A, and G.

B) Both contain deoxyribose.

C) Both contain U, C, and G.

D) Both are single stranded.

E) Both form a double helix.

Section: 22.01

Topic: DNA Structure; Nucleic Acids

Bloom's: 4. Analyze

Learning Outcome: 22.01.03 Distinguish between the structures of DNA and RNA.

Accessibility: Keyboard Navigation

13) The sugar in DNA is deoxyribose while the sugar in RNA is ribose.

Section: 22.01

Topic: DNA Structure; RNA Structure; Nucleic Acids

Bloom's: 1. Remember

Learning Outcome: 22.01.03 Distinguish between the structures of DNA and RNA.

Accessibility: Keyboard Navigation

14) Both DNA and RNA are

A) found in the cytosol.

B) transcribed.

C) translated.

D) found in the nucleus.

E) considered the genetic material of the cell.

Section: 22.01

Topic: Nucleic Acids

Bloom's: 2. Understand

Learning Outcome: 22.01.03 Distinguish between the structures of DNA and RNA.

Accessibility: Keyboard Navigation

15) Which of the following is a coding RNA?

A) small RNA

B) tRNA

C) rRNA

D) mRNA

E) large RNA

Section: 22.01

Topic: RNA Types

Bloom's: 2. Understand

Learning Outcome: 22.01.04 State the roles of RNA in a cell.

Accessibility: Keyboard Navigation

16) Which of the following is a type of small RNA?

A) snoRNAs

B) snRNAs

C) miRNAs

D) siRNAs

E) All of the answer choices are types of small RNA.

Section: 22.01

Topic: RNA Types

Bloom's: 2. Understand

Learning Outcome: 22.01.04 State the roles of RNA in a cell.

Accessibility: Keyboard Navigation

17) The "r" in "rRNA" stands for reticulum RNA because this type of RNA is associated with the endoplasmic reticulum.

Section: 22.01

Topic: RNA Types

Bloom's: 1. Remember

Learning Outcome: 22.01.04 State the roles of RNA in a cell.

Accessibility: Keyboard Navigation

18) All of the RNAs

A) can be found in the ribosomes.

B) are translated into proteins.

C) are transcribed from DNA.

D) function within the nucleus.

E) interact with amino acids.

Section: 22.01

Topic: RNA Types

Bloom's: 2. Understand

Learning Outcome: 22.01.04 State the roles of RNA in a cell.

Accessibility: Keyboard Navigation

19) How many different amino acids are found in proteins?

A) 5

B) 10

C) 20

D) 50

E) over 100

Section: 22.02

Topic: Translation

Bloom's: 1. Remember

Learning Outcome: 22.02.01 Understand the structure and function of the genetic code.

Accessibility: Keyboard Navigation

20) Which of the following is a potential function of proteins?

A) enzymes to catalyze chemical reactions

B) neurotransmitters to aid the nervous system

C) antibodies for the immune system

D) hormones to change cellular activity

E) All of the answer choices are potential functions of proteins.

Section: 22.02

Topic: DNA Structure; Nucleic Acids

Bloom's: 2. Understand

Learning Outcome: 22.02.01 Understand the structure and function of the genetic code.

Accessibility: Keyboard Navigation

21) Which of the following is an amino acid?

A) glycine

B) tryptophan

C) alanine

D) valine

E) All of the answer choices are amino acids. 

Section: 22.02

Topic: Translation

Bloom's: 1. Remember

Learning Outcome: 22.02.01 Understand the structure and function of the genetic code.

Accessibility: Keyboard Navigation

22) To transcribe something is to make an identical copy (i.e., if the original is DNA, the transcribed copy is also DNA).

Section: 22.02

Topic: Transcription

Bloom's: 2. Understand

Learning Outcome: 22.02.03 Describe the process of transcription.

Accessibility: Keyboard Navigation

23) The three-base sequence in a mRNA molecule is called a(n)

A) codon.

B) anticodon.

C) initiator.

D) mutation.

E) transposon.

Section: 22.02

Topic: Translation

Bloom's: 1. Remember

Learning Outcome: 22.02.01 Understand the structure and function of the genetic code.

Accessibility: Keyboard Navigation

24) The start codon for translation is

A) UAG.

B) UAA.

C) AAA.

D) AUG.

E) AGU.

Section: 22.02

Topic: Translation

Bloom's: 1. Remember

Learning Outcome: 22.02.04 Describe the process of translation.

Accessibility: Keyboard Navigation

25) In the RNA sequence CAAUGACCAG, what will be the first amino acid incorporated?

A) alanine

B) glutamine

C) methionine

D) valine

E) glycine

Section: 22.02

Topic: Translation

Bloom's: 4. Analyze

Learning Outcome: 22.02.04 Describe the process of translation.

Accessibility: Keyboard Navigation

26) Transcribe and then translate the following DNA code: AATCGGTTCCATCGG

Section: 22.02

Topic: Transcription; Translation

Bloom's: 6. Create

Learning Outcome: 22.02.04 Describe the process of translation.

Accessibility: Keyboard Navigation

27) What enzyme is responsible for transcription (formation of mRNA)?

A) helicase

B) DNA polymerase

C) RNA polymerase

D) ligase

E) protease

Section: 22.02

Topic: Transcription

Bloom's: 2. Understand

Learning Outcome: 22.02.03 Describe the process of transcription.

Accessibility: Keyboard Navigation

28) As the RNA is being made, it is exported from the nucleus to the cytoplasm for translation.

Section: 22.02

Topic: RNA Processing

Bloom's: 2. Understand

Learning Outcome: 22.02.02 Summarize the process of gene expression.

Accessibility: Keyboard Navigation

29) Exons in mRNAs are excised and left in the nucleus.

Section: 22.02

Topic: Transcription; RNA Processing

Bloom's: 2. Understand

Learning Outcome: 22.02.02 Summarize the process of gene expression.

Accessibility: Keyboard Navigation

30) Which of the following is true regarding ribosomes?

A) They are composed of two subunits.

B) They contain both RNA and protein.

C) They contain an A site and a P site.

D) They translate RNA into protein.

E) All of the answer choices are true regarding ribosomes. 

Section: 22.02

Topic: RNA Types; Translation

Bloom's: 4. Analyze

Learning Outcome: 22.02.04 Describe the process of translation.

Accessibility: Keyboard Navigation

31) Which structure contains the anticodon?

A) the mRNA

B) the large ribosomal subunit

C) the small ribosomal subunit

D) the tRNA

E) the rRNA

Section: 22.02

Topic: RNA Types; Translation

Bloom's: 2. Understand

Learning Outcome: 22.02.04 Describe the process of translation.

Accessibility: Keyboard Navigation

32) If the codon is CCA, what is the anticodon and what amino acid will be inserted?

A) CCA, proline

B) GGU, proline

C) GGT, glycine

D) ACC, threonine

E) UGG, tryptophan

Section: 22.02

Topic: Translation

Bloom's: 3. Apply

Learning Outcome: 22.02.04 Describe the process of translation.

Accessibility: Keyboard Navigation

33) Which of the following occurs during initiation of translation?

A) The ribosome moves down one codon so that the A site is available to receive an incoming tRNA.

B) The mRNA binds to the smaller of the two ribosomal subunits.

C) The polypeptide lengthens one amino acid at a time.

D) The ribosome dissociates into its two subunits and falls off the mRNA.

E) One of the three stop codons is reached.

Section: 22.02

Topic: Translation

Bloom's: 2. Understand

Learning Outcome: 22.02.04 Describe the process of translation.

Accessibility: Keyboard Navigation

34) Describe the similarities and differences between DNA and RNA.

DNA/RNA differences:

DNA RNA

Found in the nucleus and mitochondria     Found in the nucleus and cytosol

Genetic material                                         Helper to DNA

Sugar is deoxyribose                                  Sugar is ribose

Bases are A, T, C, and G                            Bases are A, U, C, and G

Double stranded                                         Single stranded

Is transcribed (to give RNA) Is translated (to give a protein)

Section: 22.01

Topic: DNA Structure; RNA Structure; Nucleic Acids

Bloom's: 6. Create

Learning Outcome: 22.01.03 Distinguish between the structures of DNA and RNA.

Accessibility: Keyboard Navigation

35) How many stop codons are there in the genetic code?

A) one

B) two

C) three

D) four

E) five

Section: 22.02

Topic: Translation

Bloom's: 1. Remember

Learning Outcome: 22.02.01 Understand the structure and function of the genetic code.

Accessibility: Keyboard Navigation

36) How many codons are there for leucine?

A) two

B) three

C) four

D) five

E) six

Section: 22.02

Topic: Translation

Bloom's: 4. Analyze

Learning Outcome: 22.02.01 Understand the structure and function of the genetic code.

Accessibility: Keyboard Navigation

37) When the sequence CGCAAUGCAAGGA is translated, the corresponding protein will be arginine–asparagine–alanine–arginine.

Section: 22.02

Topic: Translation

Bloom's: 3. Apply

Learning Outcome: 22.02.01 Understand the structure and function of the genetic code.

Accessibility: Keyboard Navigation

38) Which of the following nucleotide sequences could give rise to the amino acid sequence alanine–aspartic acid–glycine? Assume that translation initiation has already occurred.

A) GUUAAGAGG

B) GCCGACGGC

C) CACCGCCGA

D) GAUGGUGCU

E) UUUUAAUGG

Section: 22.02

Topic: Translation

Bloom's: 3. Apply

Learning Outcome: 22.02.04 Describe the process of translation.

Accessibility: Keyboard Navigation

39) Which of the following would be an example of pretranscriptional control?

A) The chromosomes must decondense.

B) The mRNA is degraded before translation can occur.

C) The mRNA is processed before it leaves the nucleus.

D) The life expectancy of the mRNA molecules vary.

E) The polypeptide product is folded to form its functional conformation.

Section: 22.02

Topic: Gene Regulation: Eukaryotes

Bloom's: 2. Understand

Learning Outcome: 22.02.05 Explain how gene expression may be regulated by a cell.

Accessibility: Keyboard Navigation

40) An individual has a genetic disorder in which their cell is not forming the correct protein structure for the cell membrane to allow entry of a particular ion. Doctors have determined that in order to help cure this person, they need to alter the shape of the protein. Which type of regulation of gene expression would have the greatest chance of success?

A) posttranslational control

B) posttranscriptional control

C) transcriptional control

D) translational control

E) pretranscriptional control

Section: 22.02

Topic: Gene Regulation: Eukaryotes

Bloom's: 5. Evaluate

Learning Outcome: 22.02.05 Explain how gene expression may be regulated by a cell.

Accessibility: Keyboard Navigation

41) Which of the following is true about transcription factors?

A) Transcription factors are DNA-binding proteins.

B) There are many different types of transcription factors.

C) Specialization of cells is determined/influenced by which transcription factors are active in the cell.

D) Genes code for transcription factors.

E) All of the answer choices are true about transcription factors.

Section: 22.02

Topic: Transcription; Gene Regulation: Eukaryotes

Bloom's: 5. Evaluate

Learning Outcome: 22.02.02 Summarize the process of gene expression.

Accessibility: Keyboard Navigation

42) Which of the following is a benefit gained from learning how to sequence DNA?

A) identification of faulty genes

B) development of treatments for diseases

C) modification of crops to increase yields

D) understanding of our evolutionary history

E) All of the answer choices are benefits gained from DNA sequencing.

Section: 22.03

Topic: Genomics; DNA Technology

Bloom's: 2. Understand

Learning Outcome: 22.03.01 Recognize the importance of DNA sequencing to the study of biology.

Accessibility: Keyboard Navigation

43) How does modern-day sequencing detect dyes on the nucleotides?

A) radioactivity

B) dye terminator chemicals

C) DNA breakage

D) laser

E) by eye

Section: 22.03

Topic: DNA Technology

Bloom's: 1. Remember

Learning Outcome: 22.03.01 Recognize the importance of DNA sequencing to the study of biology.

Accessibility: Keyboard Navigation

44) It only takes a matter of several hours to sequence 1,000 base-pair sections of DNA.

Section: 22.03

Topic: DNA Technology

Bloom's: 1. Remember

Learning Outcome: 22.03.01 Recognize the importance of DNA sequencing to the study of biology.

Accessibility: Keyboard Navigation

45) Which of the following statements about PCR is true?

A) PCR can create millions of copies of a segment of DNA in a test tube.

B) PCR uses DNA polymerase.

C) The amount of DNA doubles with each replication cycle.

D) The target is repeatedly replicated.

E) All of the answer choices are true.

Section: 22.03

Topic: DNA Technology

Bloom's: 1. Remember

Learning Outcome: 22.03.02 State the purpose of the polymerase chain reaction and DNA cloning.

Accessibility: Keyboard Navigation

46) One of the disadvantages of PCR is that it requires large amounts of starting material.

Section: 22.03

Topic: DNA Technology

Bloom's: 2. Understand

Learning Outcome: 22.03.02 State the purpose of the polymerase chain reaction and DNA cloning.

Accessibility: Keyboard Navigation

47) Place the following steps for the cloning of a gene in order:

1. DNA ligase seals foreign DNA into a plasmid.

2. A restriction enzyme is used to cleave DNA. 

3. The bacterium makes a product. 

4. Some of the bacterial cells take up a recombinant plasmid. 

5. The plasmid replicates on its own.

A) 2,1,4,5,3

B) 1,2,3,4,5

C) 3,1,2,4,5

D) 5,1,4,3,2

E) 1,3,2,4,5

Section: 22.03

Topic: Cloning

Bloom's: 4. Analyze

Learning Outcome: 22.03.02 State the purpose of the polymerase chain reaction and DNA cloning.

Accessibility: Keyboard Navigation

48) Which of the following is involved in gene cloning?

A) host cell

B) vector

C) restriction enzyme

D) "sticky" ends

E) All of the answer choices are involved in gene cloning.

Section: 22.03

Topic: Cloning

Bloom's: 4. Analyze

Learning Outcome: 22.03.02 State the purpose of the polymerase chain reaction and DNA cloning.

Accessibility: Keyboard Navigation

49) Organisms that have had a foreign gene inserted into them are called analytical products.

Section: 22.03

Topic: Cloning; Genetically Modified Organisms

Bloom's: 1. Remember

Learning Outcome: 22.03.02 State the purpose of the polymerase chain reaction and DNA cloning.; 22.03.04 Summarize some of the products that have been produced using biotechnology.

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50) Which of the following is a desirable trait commonly genetically engineered into plant?

A) disease resistant

B) improved yield

C) modified wood pulp

D) drought tolerant

E) All of the answer choices are desirable traits commonly genetically engineered into plants.

Section: 22.03

Topic: Genetically Modified Organisms

Bloom's: 3. Apply

Learning Outcome: 22.03.04 Summarize some of the products that have been produced using biotechnology.

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51) Which of the following is a product made from bacteria via recombinant DNA technology that promotes plant health?

A) hepatitis B vaccine

B) insulin

C) clotting factor VIII

D) growth hormone

E) frost-minus substances

Section: 22.03

Topic: Genetically Modified Organisms

Bloom's: 2. Understand

Learning Outcome: 22.03.04 Summarize some of the products that have been produced using biotechnology.

Accessibility: Keyboard Navigation

52) Mouse models for human diseases, such as cystic fibrosis, have been created by recombinant DNA technology.

Section: 22.03

Topic: Genetically Modified Organisms

Bloom's: 2. Understand

Learning Outcome: 22.03.04 Summarize some of the products that have been produced using biotechnology.

Accessibility: Keyboard Navigation

53) When was the Human Genome Project completed?

A) 1999

B) 2001

C) 2003

D) 2005

E) 2010

Section: 22.04

Topic: Genomics

Bloom's: 1. Remember

Learning Outcome: 22.04.01 Distinguish between functional and comparative genomics.

Accessibility: Keyboard Navigation

54) How much of your DNA is identical to the person who sits next to you in biology class?

A) 1%

B) 50%

C) 90%

D) 99%

E) 99.9%

Section: 22.04

Topic: Genomics

Bloom's: 2. Understand

Learning Outcome: 22.04.01 Distinguish between functional and comparative genomics.

Accessibility: Keyboard Navigation

55) How many genes did researchers think the human genome contained? How many did it really contain?

A) 3 billion; 80,000

B) 1 million; 1 million

C) 25,000; 80,000

D) 80,000; 23,000

E) 125 million; 1 million

Section: 22.04

Topic: Genomics

Bloom's: 1. Remember

Learning Outcome: 22.04.01 Distinguish between functional and comparative genomics.

Accessibility: Keyboard Navigation

56) More than 50% of the entire human genome codes for functional proteins.

Section: 22.04

Topic: Genomics

Bloom's: 2. Understand

Learning Outcome: 22.04.01 Distinguish between functional and comparative genomics.

Accessibility: Keyboard Navigation

57) What is the goal of functional genomics?

A) to determine all of the human genome sequence

B) to determine the genome sequence of other organisms useful to humans

C) to determine the purpose of our genes and how they form a human being

D) to determine how all the proteins within the cell interact

E) to carry out gene therapy for human diseases

Section: 22.04

Topic: Genomics

Bloom's: 2. Understand

Learning Outcome: 22.04.01 Distinguish between functional and comparative genomics.

Accessibility: Keyboard Navigation

58) Researchers found three genes on chromosome 22 in chimpanzees that, when compared to our human genes, have given us insight into our evolution. What were those three genes?

A) genes for speech development, hearing, and smell

B) genes for chest size, cranial size, and leg length

C) genes for taste, opposable thumbs, and bipedalism

D) genes for speech development, opposable thumbs, and leg length

E) genes for food preference, bipedalism, and cranial size

Section: 22.04

Topic: Genomics

Bloom's: 1. Remember

Learning Outcome: 22.04.02 Distinguish between genomics and proteomics.

Accessibility: Keyboard Navigation

59) How similar are our genomes to those of a mouse?

A) 1%

B) 10%

C) 35%

D) 85%

E) 99%

Section: 22.04

Topic: Genomics

Bloom's: 1. Remember

Learning Outcome: 22.04.02 Distinguish between genomics and proteomics.

Accessibility: Keyboard Navigation

60) In ex vivo gene therapy, therapeutic DNA is injected into body cells with the use of a vector or carrier molecule.

Section: 22.04

Topic: Gene Therapy

Bloom's: 2. Understand

Learning Outcome: 22.04.03 Explain the difference between in vivo and ex vivo gene therapy.

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61) Ex vivo gene therapy has been used to treat which of the following diseases?

A) SCID

B) cardiovascular disease

C) Huntington disease

D) endocrine disorder

E) All of the answer choices are correct.

Section: 22.04

Topic: Gene Therapy

Bloom's: 2. Understand

Learning Outcome: 22.04.03 Explain the difference between in vivo and ex vivo gene therapy.

Accessibility: Keyboard Navigation

62) Which of the following is the primary goal of bioinformatics?

A) to find significant patterns in the information gained from DNA sequencing and proteomics

B) to input DNA and protein sequences into a computer

C) to model the three-dimensional shape of cellular proteins

D) to obtain the sequence of all the noncoding regions of the DNA

E) to insert genetic material into human cells for the treatment of a disorder

Section: 22.04

Topic: Genomics; Proteomics

Bloom's: 4. Analyze

Learning Outcome: 22.04.02 Distinguish between genomics and proteomics.

Accessibility: Keyboard Navigation

63) In vivo gene therapy has been used to help patients suffering from cystic fibrosis.

Section: 22.04

Topic: Gene Therapy

Bloom's: 1. Remember

Learning Outcome: 22.04.03 Explain the difference between in vivo and ex vivo gene therapy.

Accessibility: Keyboard Navigation

64) The targeting of specific sequences in the DNA for removal or replacement is best described as

A) cloning.

B) genomics.

C) genome editing.

D) proteomics.

E) gene therapy.

Section: 22.03

Topic: DNA Technology

Bloom's: 1. Remember

Learning Outcome: 22.03.03 Understand the goals of genome editing.

Accessibility: Keyboard Navigation

65) CRISPR was first discovered in fungi, where it acts as a form of immune defense against invading bacteria.

Section: 22.03

Topic: DNA Technology

Bloom's: 1. Remember

Learning Outcome: 22.03.03 Understand the goals of genome editing.

Accessibility: Keyboard Navigation