BIOLOGY LTF DIAGNOSTIC TEST DNA to PROTEIN & BIOTECHNOLOGYrhsscience.weebly.com/uploads/1/2/4/9/12490351/016074_test_dna… · Biology Multiple Choice 016074 BIOLOGY LTF® DIAGNOSTIC

Biology Multiple Choice016074

BIOLOGY LTF® DIAGNOSTIC TEST

DNA to PROTEIN & BIOTECHNOLOGY

1

Test Code: 016074

Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and fill in the corresponding oval on the answer sheet.

1. Which of the following best describes the flow of information in a cell?

A) mRNA → DNA → tRNA

B) tRNA → mRNA → protein

C) DNA → mRNA → protein

D) protein → DNA → mRNA

E) DNA → protein → mRNA

2. Which of the following actions occurs during replication?

A) RNA is translated into proteinsB) amino acids are linked into a polypeptideC) hydrogen bonds are formed between adenine and uracilD) hydrogen bonds are formed between cytosine and guanineE) repeating DNA fragments are inserted into another organism

3. What is the end result of translation in protein synthesis?

A) Carbohydrates are produced from monosaccharidesB) Proteins are synthesized from amino acidsC) Lipids are made from glycolysis and fermentationD) mRNA is divided into 3 partsE) RNA is made from DNA nucleotides

Biology Multiple Choice Questions

2

Questions 4-6 refer to the following processes.

I. Transcription II. TranslationIII. Replication

4. Occurs in the nucleus of eukaryotic cells

A) I onlyB) II onlyC) III onlyD) I and II onlyE) I and III only

5. Doubles the amount of DNA

A) I onlyB) II onlyC) III onlyD) I and III onlyE) I, II and III

6. Occurs in the cytoplasm of eukaryotic cells



3

Questions 7 and 8 refer to the following diagram of a nucleotide.

7. If the nucleotide shown belongs to an RNA molecule, the structure labeled C could be any of the following EXCEPT

A) adenineB) thymineC) uracilD) guanineE) cytosine

8. If the nucleotide shown belongs to a DNA molecule, the structure labeled B would be

A) uracilB) adenineC) deoxyriboseD) phosphateE) ribose

9. Which of the following are joined by peptide bonds during the process of protein synthesis?

A) MonosaccharidesB) TriglyceridesC) NucleotidesD) Amino acidsE) Fatty acids

10. James set up an experiment to test if bacteria without antibiotic resistance can be transformed into antibiotic-resistant bacteria. The procedure included introducing a plasmid containing the gene of interest into bacterial cells. The bacteria was then streaked across one agar plate without antibiotic and across another agar plate containing the antibiotic ampicillin. Which of the following statements best explains the function of the plate with ampicillin?

A) The ampicillin insures that no contamination has occurred.B) The ampicillin provides a nutrient source for the growing bacteria.C) The ampicillin protects the growing bacteria from invading viruses.D) Bacterial growth on the ampicillin plate is evidence of transformation.E) Bacterial growth on the ampicillin plate is a control in the experiment.


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Questions 11-12 refer to the following nitrogen bases.

I. Adenine II. Guanine III. Uracil IV. Cytosine V. Thymine

11. Which base can pair with two others in the list?

A) I onlyB) II onlyC) III only D) IV onlyE) V only

12. The bases of DNA include

A) I, II, III, and V onlyB) I, II, IV and V onlyC) II, III, IV and V onlyD) I, III, IV and V onlyE) I, II, III, and IV only

13. If there was a change in the DNA sequence, this occurrence would be called

A) translationB) a terminal sequenceC) a mutationD) a repressorE) a stimulator

14. Which of the following would be an end product of the process of transcription?

A) A proteinB) A segment of RNA polymeraseC) A segment of messenger RNAD) A segment of DNAE) An enzyme


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15. Which of the following sets of terms are arranged from largest to smallest?

A) Chromosome → DNA molecule → nucleotide → gene

B) DNA molecule → gene → nucleotide → chromosome

C) Nucleotide → gene → DNA molecule → chromosome

D) Chromosome → DNA molecule → gene → nucleotide

E) Gene → nucleotide → chromosome → DNA molecule

Questions 16-19 refer to the following DNA sequence and genetic code chart that is provided below.

DNA sequence: TATGCCGGGAAAATT

16. Which of the following is the correct sequence of amino acids coded by the DNA strand?

A) Asparagine—tyrosine—serine—lysineB) Phenylalanine—proline—argenine—isoleucineC) Methionine—alanine—glutamineD) Isoleucine—alanine—glycine—lysineE) Isoleucine—arganine—proline—phenylalanine


6

17. The first codon to be decoded is

A) TB) AUAC) CGGD) IleE) GCC

18. Which of the following is coded for by the DNA sequence ATT?

A) MethionineB) CystineC) AdenineD) All amino acidsE) Stop protein production

19. All of the following mRNA sequences code for argenine (arg) EXCEPT

A) AGCB) AGAC) CGGD) CGCE) AGG

20. Which one of the following contains all the others?

A) Deoxyribose B) PhosphateC) AdenineD) Covalent bondsE) DNA nucleotide

21. DNA controls the traits of an organism through the arrangement of its

A) phosphate moleculesB) nucleotidesC) chromosomesD) hydroxyl groupsE) deoxyribose


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Questions 22 and 23 refer to the following biomolecule.

22. Which number indicates guanine?

A) 1 onlyB) 2 onlyC) 3 onlyD) 4 onlyE) 1 and 2

23. Which statement best describes the molecule shown in the diagram above?

A) It contains the base uracil.B) It contains the sugar ribose.C) It is frequently found in the cytoplasm.D) It is formed through the process of transcription.E) It contains nucleotides.


8

Questions 24 and 25 refer to the following terms.

I. Repressible II. Inducible III. A promoter IV. Homeotic

24. The diagram above represents

A) mRNAB) an entire chromosomeC) an operonD) translation in protein synthesisE) a plasmid

25. If an operon is normally “off” but can turn “on” in the presence of a specific metabolite, the operon is called

A) I onlyB) II onlyC) III onlyD) I and II onlyE) III and IV only

26. During protein synthesis the ribosome may

A) produce mRNA start and stop codonsB) detect mutations in the genetic code and correct themC) signal for the replication of DNAD) move along the rough endoplasmic reticulum to make more ribosomesE) allow tRNA a site to attach when making a protein


9

Directions: The group of questions below consists of five lettered answers followed by a list of numbered phrases or sentences. For each numbered phrase or sentence select the one answer that is most closely related to it and fill in the corresponding oval on the answer sheet. Each answer may be used once, more than once or not at all in each group.

Questions 27-31 refer to the following cellular process.

27. The process of transcription is occurring in the structure labeled

28. Which letter indicates the ribosome?

29. Which letter represents transfer RNA bringing its associated amino acid to the ribosome?

30. Which letter represents the messenger RNA?

31. Which letter represents a structure containing rRNA?


10

Questions 32-35 refer to these biotechnology terms.

A) PlasmidsB) Recombinant DNAC) ElectrophoresisD) Restriction EnzymesE) Cloning

32. Can create DNA fragments with sticky ends

33. Naturally occurring short, circular pieces of DNA

34. A hybrid of DNA from two or more sources

35. Used in separating DNA fragments

Biology Multiple Choice016075

BIOLOGY LTF® DIAGNOSTIC TEST

DNA to PROTEIN & BIOTECHNOLOGY

1

Test Code: 016075

Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and fill in the corresponding oval on the answer sheet.

Questions 1 and 2 refer to the following biomolecule.

1. Which number indicates guanine?

A) 1 onlyB) 2 onlyC) 3 onlyD) 4 onlyE) 1 and 2

2. Which statement best describes the molecule shown in the diagram above?

A) It contains the base uracil.B) It contains the sugar ribose.C) It is frequently found in the cytoplasm.D) It is formed through the process of transcription.E) It contains nucleotides.


2

3. Which one of the following contains all the others?

A) Deoxyribose B) PhosphateC) AdenineD) Covalent bondsE) DNA nucleotide

4. If there was a change in the DNA sequence, this occurrence would be called

A) translationB) a terminal sequenceC) a mutationD) a repressorE) a stimulator

5. DNA controls the traits of an organism through the arrangement of its

A) phosphate moleculesB) nucleotidesC) chromosomesD) hydroxyl groupsE) deoxyribose

6. During protein synthesis the ribosome may

A) produce mRNA start and stop codonsB) detect mutations in the genetic code and correct themC) signal for the replication of DNAD) move along the rough endoplasmic reticulum to make more ribosomesE) allow tRNA a site to attach when making a protein

7. Which of the following would be an end product of the process of transcription?

A) A proteinB) A segment of RNA polymeraseC) A segment of messenger RNAD) A segment of DNAE) An enzyme


3

Questions 8-11 refer to the following DNA sequence and genetic code chart that is provided below.

DNA sequence: TATGCCGGGAAAATT

8. Which of the following is coded for by the DNA sequence ATT?

A) MethionineB) CystineC) AdenineD) All amino acidsE) Stop protein production

9. The first codon to be decoded is

A) TB) AUAC) CGGD) IleE) GCC

10. Which of the following is the correct sequence of amino acids coded by the DNA strand?

A) Asparagine—tyrosine—serine—lysineB) Phenylalanine—proline—argenine—isoleucineC) Methionine—alanine—glutamineD) Isoleucine—alanine—glycine—lysineE) Isoleucine—arganine—proline—phenylalanine


4

11. All of the following mRNA sequences code for argenine (arg) EXCEPT

A) AGCB) AGAC) CGGD) CGCE) AGG

12. Which of the following are joined by peptide bonds during the process of protein synthesis?

A) MonosaccharidesB) TriglyceridesC) NucleotidesD) Amino acidsE) Fatty acids

Questions 13 and 14 refer to the following nitrogen bases.

I. Adenine II. Guanine III. Uracil IV. Cytosine V. Thymine

13. Which base can pair with two others in the list?

A) I onlyB) II onlyC) III only D) IV onlyE) V only

14. The bases of DNA include

A) I, II, III, and V onlyB) I, II, IV and V onlyC) II, III, IV and V onlyD) I, III, IV and V onlyE) I, II, III, and IV only


5

Questions 15 and 16 refer to the following diagram of a nucleotide.

15. If the nucleotide shown belongs to an RNA molecule, the structure labeled C could be any of the following EXCEPT

A) adenineB) thymineC) uracilD) guanineE) cytosine

16. If the nucleotide shown above belongs to a DNA molecule, the structure labeled B would be

A) uracilB) adenineC) deoxyriboseD) phosphateE) ribose

17. Which of the following actions occurs during replication?

A) RNA is translated into proteinsB) amino acids are linked into a polypeptideC) hydrogen bonds are formed between adenine and uracilD) hydrogen bonds are formed between cytosine and guanineE) repeating DNA fragments are inserted into another organism


6

Questions 18 and 19 refer to the following terms.

I. Repressible II. Inducible III. A promoter IV. Homeotic

18. The diagram above represents

A) mRNAB) an entire chromosomeC) an operonD) translation in protein synthesisE) a plasmid

19. If an operon is normally “off” but can turn “on” in the presence of a specific metabolite, the operon is called

A) I onlyB) II onlyC) III onlyD) I and II onlyE) III and IV only

20. Which of the following best describes the flow of information in a cell?

A) mRNA → DNA → tRNA

B) tRNA → mRNA → protein

C) DNA → mRNA → protein

D) protein → DNA → mRNA

E) DNA → protein → mRNA


7

21. James set up an experiment to test if bacteria without antibiotic resistance can be transformed into antibiotic-resistant bacteria. The procedure included introducing a plasmid containing the gene of interest into bacterial cells. The bacteria was then streaked across one agar plate without antibiotic and across another agar plate containing the antibiotic ampicillin. Which of the following statements best explains the function of the plate with ampicillin?

A) The ampicillin insures that no contamination has occurred.B) The ampicillin provides a nutrient source for the growing bacteria.C) The ampicillin protects the growing bacteria from invading viruses.D) Bacterial growth on the ampicillin plate is evidence of transformation.E) Bacterial growth on the ampicillin plate is a control in the experiment.

22. Which of the following sets of terms are arranged from largest to smallest?

A) Chromosome → DNA molecule → nucleotide → gene

B) DNA molecule → gene → nucleotide → chromosome

C) Nucleotide → gene → DNA molecule → chromosome

D) Chromosome → DNA molecule → gene → nucleotide

E) Gene → nucleotide → chromosome → DNA molecule

23. What is the end result of translation in protein synthesis?

A) Carbohydrates are produced from monosaccharidesB) Proteins are synthesized from amino acidsC) Lipids are made from glycolysis and fermentationD) mRNA is divided into 3 partsE) RNA is made from DNA nucleotides

Questions 24-26 refer to the following processes.

I. Transcription II. TranslationIII. Replication

24. Occurs in the nucleus of eukaryotic cells



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25. Doubles the amount of DNA

A) I onlyB) II onlyC) III onlyD) I and III onlyE) I, II and III

26. Occurs in the cytoplasm of eukaryotic cells


Directions: The group of questions below consists of five lettered answers followed by a list of numbered phrases or sentences. For each numbered phrase or sentence select the one answer that is most closely related to it and fill in the corresponding oval on the answer sheet. Each answer may be used once, more than once or not at all in each group.

Questions 27-30 refer to these biotechnology terms.

A) PlasmidsB) Recombinant DNAC) ElectrophoresisD) Restriction EnzymesE) Cloning

27. A hybrid of DNA from two or more sources

28. Used in separating DNA fragments

29. Can create DNA fragments with sticky ends

30. Naturally occurring short, circular pieces of DNA


9

Questions 31-35 refer to the following cellular process.

31. Which letter indicates the ribosome?

32. Which letter represents a structure containing rRNA?

33. Which letter represents transfer RNA bringing its associated amino acid to the ribosome?

34. Which letter represents the messenger RNA?

35. The process of transcription is occurring in the structure labeled

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BIOLOGY LTF DIAGNOSTIC TEST DNA to PROTEIN & BIOTECHNOLOGYrhsscience.weebly.com/uploads/1/2/4/9/12490351/016074_test_dna… · Biology Multiple Choice 016074 BIOLOGY LTF® DIAGNOSTIC