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Unit 6 AP Bio

Total questions: 51

Worksheet time: 26mins

Name
Class
Date
1.

What is the primary source of genetic information?

a)

Carbohydrates

b)

DNA/RNA

c)

Lipids

d)

Proteins

2.

Prokaryotic DNA is...

a)

Double stranded and circular

b)

Double stranded and linear

c)

Single stranded and circular

d)

Single stranded and linear

3.

Eukaryotic DNA is...

a)

Double stranded and circular

b)

Double stranded and linear

c)

Single stranded and circular

d)

Single stranded and linear

4.

Plasmids can provide genetic variation to prokaryotes?

a)

True

b)

False

5.

In RNA, adenine pairs with...

a)

Cytosine

b)

Guanine

c)

Thymine

d)

Uracil

6.

In DNA, adenine pairs with...

a)

Cytosine

b)

Guanine

c)

Thymine

d)

Uracil

7.

In RNA or DNA, cytosine pairs with...

a)

Adenine

b)

Guanine

c)

Thymine

d)

Uracil

8.

Contrast shape of DNA between prokaryotes and eukaryotes.

a)

Eukaryotes have circular and prokaryotes have linear DNA

b)

Prokaryotes have circular and eukaryotes have linear DNA

9.

Contrast amount of DNA between prokaryotes and eukaryotes.

a)

Eukaryotes have multiple DNA strands while prokaryotes have one DNA strand

b)

Prokaryotes have multiple DNA strands while eukaryotes have one DNA strand

10.

DNA is more stable than RNA

a)

True

b)

False

11.

Which direction is DNA read for DNA replication?

a)

3' -> 5’

b)

5' -> 3’

c)

C terminus to N terminus

d)

N terminus to C terminus

12.

Which direction is DNA synthesized in DNA replication?

a)

3' -> 5’

b)

5' -> 3’

c)

C terminus to N terminus

d)

N terminus to C terminus

13.

How is DNA replicated?

a)

Conservative

b)

Dispersive

c)

Lagging

d)

Semiconservative

14.

Enzymes responsible for relieve strand of double helix

a)

Helicase

b)

Ligase

c)

Polymerase

d)

Topoisomerase

15.

Enzymes responsible for synthesis of new DNA

a)

Helicase

b)

Ligase

c)

Polymerase

d)

Topoisomerase

16.

Which enzyme connects the Okazaki fragments (lagging)

a)

Helicase

b)

Ligase

c)

Polymerase

d)

Topoisomerase

17.

What is the enzyme responsible for breaking hydrogen bonds between nitrogenous bases?

a)

DNA polymerase

b)

Helicase

c)

Ligase

d)

Primase

18.

What enzyme is responsible for synthesizing RNA start?

a)

DNA polymerase

b)

Helicase

c)

Ligase

d)

Primase

19.

Which strand is formed continuously into the replication fork?

a)

Lagging strand

b)

Leading strand

20.

Which strand is formed discontinuously away from the replication fork?

a)

Lagging strand

b)

Leading strand

21.

Which RNA functions as site of protein synthesis?

a)

mRNA

b)

rRNA

c)

tRNA

22.

Which RNA functions to bring amino acids to the ribosome?

a)

mRNA

b)

rRNA

c)

tRNA

23.

Which RNA is the transcript from DNA template?

a)

mRNA

b)

rRNA

c)

tRNA

24.

Which RNA has an anticodon that pairs with codon?

a)

mRNA

b)

rRNA

c)

tRNA

25.

Which RNA has the codons sequence for translation?

a)

mRNA

b)

rRNA

c)

tRNA

26.

What is the process of transcription?

a)

Synthesizing DNA under the direction of DNA

b)

Synthesizing DNA under the direction of RNA

c)

Synthesizing RNA under the direction of DNA

d)

Synthesizing RNA under the direction of RNA

27.

What are the transcription factors?

a)

Molecules that provide ATP to transcription unit

b)

Molecules that synthesize RNA during transcription 

c)

Molecules that bring amino acids to the transcription unit

d)

Molecules that bind to enhance/inhibit transcription. 

28.

All somatic (body) cells have the same genetic information

a)

True

b)

False

29.

What types of cells have operons? 

a)

Eukaryotes

b)

Prokaryotes

c)

Neither eukaryotes nor prokaryotes

d)

Both eukaryotes and prokaryotes

30.

What binds to the promoter?

a)

DNA polymerase

b)

Operator

c)

Repressor

d)

RNA polymerase

31.

What makes up the TATA box?

a)

Adenine & Cytosine

b)

Cytosine & Guanine

c)

Guanine & Thymine

d)

Thymine & Adenine

32.

Where is the TATA box located?

a)

Near the introns

b)

Near the exons

c)

Near the poly adenylation sequence

d)

Near the promoter

33.

Where does the repressor in an operon bind?

a)

Operator

b)

Promoter

c)

Regulatory sequence

d)

TATA box

34.

 If the repressor is bound to the operator…

a)

RNA polymerase is able to bind, the operon is off

b)

RNA polymerase is able to bind, the operon is on

c)

RNA polymerase is unable to bind, the operon is off

d)

RNA polymerase is unable to bind, the operon is on

35.

 The lac operon is…

a)

Inducible operon so starts off and is activated by lactose

b)

Inducible operon so starts on and is deactivated by lactose

c)

Repressible operon so starts off and is activated by lactose

d)

Repressible operon so starts on and is deactivated by lactose

36.

 The trp operon is a(n)…

a)

Inducible operon – activated by trp

b)

Inducible operon – deactivated by trp

c)

Repressible operon – activated by trp

d)

Repressible operon – deactivated by trp

37.

What is the function of the promoter?

a)

Activators bind to promote transcription

b)

Motor proteins bind with actin for transcription

c)

Repressors bind to initiate transcription

d)

Site of RNA polymerase binding for transcription

38.

Which DNA tech separates fragments by size/charge?

a)

Gel electrophoresis

b)

PCR

c)

Sequencing

d)

Transformation

39.

Why does the DNA move towards positive end?

a)

Deoxyribose is negatively charged 

b)

Deoxyribose is positively charged

c)

Phosphate is negatively charged 

d)

Phosphate is positively charged

40.

Which fragments travel farther?

a)

Small

b)

Large

41.

What cuts the DNA prior to running gel electrophoresis?

a)

DNA polymerase

b)

Helicase

c)

Ligase

d)

Restriction enzyme

42.

Which suspect was at crime scene?

a)

A

b)

B

c)

C

d)

D

43.

Which DNA tech involves adding plasmid to prokaryote?

a)

Gel electrophoresis

b)

PCR

c)

Sequencing

d)

Transformation

44.

Plate has non transformed bacteria & no antibiotics

a)

I

b)

II

c)

III

d)

IV

45.

If plasmid also had the gene to synthesize insulin... Which plate has the highest % of insulin producing bacteria?

a)

I

b)

II

c)

III

d)

IV

46.

DNA is ___ because of the ____.

a)

Negatively charged; hydroxyl group

b)

Negatively charged;  phosphate group

c)

Positively charged;  hydroxyl group

d)

Positively charged;  phosphate group

47.

Gel electrophoresis separates molecules based on

a)

Charge and Polarity

b)

Polarity and Weight

c)

Weight and Size

d)

Size and Charge

48.

What does a thicker band represent in a gel?

a)

There’s more DNA material present in that band

b)

There’s more glucose available in that band

c)

There’s more mutation in the DNA fragment present

d)

There’s more radioactive material present in that band

49.

What does PCR stand for?

a)

Place for cellular respiration

b)

Primase cytosine reactants

c)

Polymerase chain reaction

d)

Preferred chemical reaction

50.

Plasmid makes bacteria resistant to ampicillin and able to synthesize the green glow protein. Which plate will have highest percent of growth?

a)

Plate with nutrients and no ampicillin present

b)

Plate with ampicillin and nutrient present

51.

Plasmid makes bacteria resistant to ampicillin and able to synthesize the green glow protein. Which plate will have higher amount of glowing bacteria?

a)

Plate with nutrients and no ampicillin present

b)

Plate with ampicillin and nutrient present

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