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CC - Biology - Chapter 9 Review

Total questions: 65

Worksheet time: 33mins

Name
Class
Date
1.

Segments of DNA that code for proteins are called ______.

a)

chromosomes

b)

amino acids

c)

genes

d)

nitrogenous bases

2.

The idea that DNA gives mRNA the template to make protein is known as the _______.

a)

natural selection

b)

central dogma

c)

cell theory

d)

evolution

3.

The first step in protein synthesis where DNA gives the code to RNA is called _____.

a)

transcription

b)

translation

c)

DNA replication

d)

DNA polymerase

4.

The molecule that DNA gives its code to is ______.

a)

any of these types of RNA

b)

tRNA

c)

rRNA

d)

mRNA

5.

The second stage of protein synthesis that occurs at the ribosome is known as ________.

a)

transcription

b)

translation

c)

DNA synthesis

d)

RNA polymerase

6.

The 3-letter sequence found on the mRNA that codes for a particular amino acid is called ________.

a)

a codon

b)

an anticodon

c)

a tRNA

d)

DNA polymerase

7.

The type of RNA that makes up a ribosome is called _____.

a)

Any of the RNA's

b)

mRNA

c)

tRNA

d)

rRNA

8.

The RNA that carries and deposits the amino acids is called ______.

a)

rRNA

b)

mRNA

c)

tRNA

d)

any of the RNA's listed

9.

The portion of the tRNA that matches the 3 letter sequence on the mRNA is called the ______

a)

template strand

b)

codon

c)

anticodon

d)

DNA polymerase

10.

The portion of the mRNA molecule that codes for proteins and is present in the mature RNA that leaves the nucleus

a)

exon

b)

intron

c)

transcription bubble

d)

template

11.

Intervening portions of the mRNA molecule that do not code for proteins and are removed from the mature RNA

a)

exons

b)

introns

c)

transcription bubbles

d)

template

12.

The strand of DNA that codes for proteins and is used to produce the complimentary mRNA strand

a)

exon

b)

intron

c)

non-template

d)

template

13.

The strand of DNA that is nearly identical to the mRNA with the exception that the DNA has thymine

a)

exon

b)

intron

c)

non-template

d)

template

14.

The process of removing introns and reconnecting exons

a)

telomere

b)

mismatch repair

c)

splicing

d)

promoter

15.

The DNA sequence onto which the proteins and enzymes involved in transcription bind to initiate the process of transcription

a)

telomere

b)

telomerase

c)

template

d)

promoter

16.

The region of the DNA molecule that is unwound so that the code can be transferred to the RNA molecule

a)

transcription bubble

b)

telomere

c)

telomerase

d)

promoter

17.

The protective end of linear chromosomes that is associated with aging

a)

non-template

b)

template

c)

telomere

d)

telomerase

18.

An enzyme that contains a catalytic part and an inbuilt RNA template to produce protective ends on linear chromosomes

a)

telomerase

b)

DNA ligase

c)

RNA polymerase

d)

DNA polymerase

19.

A type of DNA repair in which enzymes recognize the wrongly incorporated base and excise it from the DNA, replacing it with the correct base

a)

nucleotide excision repair

b)

base excision repair

c)

apoptosis

d)

mismatch repair

20.

The enzyme responsible for unwinding and unzipping DNA in order for it to be replicated is _______

a)

DNA ligase

b)

DNA helicase

c)

DNA polymerase

d)

single stranded proteins

21.

________ are placed down to keep the two strands from re-uniting when DNA is being replicated.

a)

single stranded proteins

b)

DNA helicase

c)

DNA polymerase

d)

DNA ligase

22.

When DNA is being replicated and the strands are separated, Y shaped structures called ______ are formed.

a)

single stranded proteins

b)

Okazaki fragments

c)

RNA primers

d)

replication forks

23.

The enzyme called ________ puts down a primer so DNA replication knows where to start.

a)

RNA primase

b)

DNA primase

c)

RNA primer

d)

DNA ligase

24.

The small strand of RNA placed down so DNA replication knows where to begin is called a(n) _____.

a)

tRNA

b)

RNA primase

c)

RNA primer

d)

mRNA

25.

The enzyme that speeds up the rate at which complementary bases are added to the template DNA strand during DNA replication is called ______.

a)

Okazaki fragments

b)

RNA primase

c)

DNA ligase

d)

DNA polymerase

26.

The direction in which DNA can be built is from the ______ to ______ position.

a)

3' to 5'

b)

5' to 3'

c)

2' to 4'

d)

4' to 2'

27.

Which strand of DNA adds base pairs continuously?

a)

template

b)

lagging

c)

leading

d)

non-template

28.

The lagging strand has short fragment of DNA replicated that have to been joined by an enzyme. These short fragments are called ______ fragments.

a)

Okazaki

b)

RNA primer

c)

RNA primase

d)

DNA ligase

29.

The small fragments of DNA that needs to be connected are done so by the enzyme ______.

a)

DNA primase

b)

DNA ligase

c)

DNA polymerase

d)

DNA helicase

30.

There were a number of scientists who helped deepen our understanding of the structure of DNA. Which one or ones injected mice with different strains of Streptococcus pneumonia and found a "transforming factor" that turned live rough Streptococcus pneumonia deadly when mixed with the dead smooth strand?

a)

Chargaff

b)

Hershey and Chase

c)

Avery, McCarty, and McCloud

d)

Griffith

31.

After Griffith, a new set of scientists isolate materials from the Streptococcus, separating the proteins, lipid, and DNA to determine what the transforming factor was and found DNA to be the transforming factor. Who was/were this/these scientist(s)?

a)

Franklin and Wilkins

b)

Hershey and Chase

c)

Avery, McCarty, and McCloud

d)

Watson and Crick

32.

When scientists initially determined it was DNA that was the transforming factor, the experiment was mostly ignored because scientists felt that DNA was too simple to be the transforming factor. Therefore, ____________ conducted an experiment using bacteriophages, a type of virus that attacks bacteria.  They knew that the virus injected its genetic material so they used special dye to see what the genetic material  was.  They found that it was DNA and not protein.

a)

Franklin and Wilkins

b)

Hershey and Chase

c)

Avery, McCarty, and McCloud

d)

Watson and Crick

33.

Which scientist used X-ray crystallography to determine that DNA was a double helix?

a)

Franklin and Wilkins

b)

Hershey and Chase

c)

Avery, McCarty, and McCloud

d)

Watson and Crick

34.

Which scientist or scientists determined that the number of adenine nitrogenous bases equaled the number of thymine nitrogenous bases and the number of guanine equaled the number of cytosine bases?

a)

Franklin and Wilkins

b)

Chargaff

c)

Watson and Crick

d)

Avery, McCarty, and McCloud

35.

Which scientists were given credit for our current understanding of the structure and replication of DNA?

a)

Franklin and Wilkins

b)

Hershey and Chase

c)

Avery, McCarty, and McCloud

d)

Watson and Crick

36.

The bases adenine and guanine are double ringed and are referred to as ______.

a)

purines

b)

pyrimidines

c)

nitrogenous bases

d)

phosphate groups

37.

The bases thymine and cytosine are single ringed structures called ______.

a)

purines

b)

pyrimidines

c)

nitrogenous bases

d)

phosphate groups

38.

You isolate a cell strain in which the joining together of Okazaki fragments is impaired and suspect that a mutation has occurred in an enzyme found at the replication fork. Which enzyme is most likely to be mutated?

a)

DNA helicase

b)

RNA polymerase

c)

DNA ligase

d)

DNA polymerase

39.

What nitrogenous base does guanine pair with?

a)

cytosine

b)

uracil

c)

thymine

d)

adenine

40.

The shape of ________ DNA is circular.

a)

eukaryotes

b)

prokaryotes

c)

animal

d)

plant

41.

The shape of _____ DNA is linear.

a)

eukaryotes

b)

prokaryotes

c)

archae

d)

bacteria

42.

DNA replicates by which of the following models?

a)

non-continuous

b)

dispersive

c)

conservative

d)

semi-conservative

43.

The initial mechanism for repairing nucleotide errors in DNA is ________.

a)

Mismatch repair

b)

Nucleotide excision repair

c)

DNA polymerase proofreading

d)

Thymine dimers

44.

A promoter is ________ onto which the proteins and enzymes involved in transcription bind to initiate the process.

a)

a specific sequence of RNA nucleotides

b)

a specific sequence of DNA nucleotides

c)

protein that binds to DNA

d)

an enzyme that synthesizes RNA

45.

Portions of eukaryotic mRNA sequence that are removed during RNA processing are ________.

a)

introns

b)

exons

c)

poly-A tails

d)

caps

46.

The RNA components of ribosomes are synthesized in the ________.

a)

Golgi apparatus

b)

endoplasmic reticulum

c)

nucleus

d)

nucleolus

47.

How long would the peptide be that is translated from this MRNA sequence: 5'-AUGGGCUACCGA-3'?

a)

12 amino acids

b)

3 amino acids

c)

4 amino acids

d)

there is not enough information to tell

48.

Post-translational control refers to:

a)

when the code from DNA has been given to mRNA

b)

DNA is uncoiled and loosened from nucleosomes to bind transcription factors

c)

regulation of gene expression after proteins have been made

d)

when RNA is processed and exported to the cytoplasm after it is transcribed

49.

Control of gene expression in eukaryotic cells occurs at which level(s)?

a)

epigenetic, transcriptional, and translational levels only

b)

epigenetic, transcriptional, post-transcriptional, translational, and post-translational levels

c)

epigenetic and transcriptional levels only

d)

only at the transcriptional level

50.

The rose colored portion of the diagram shows

a)

a phosphate group

b)

the sugar deoxyribose

c)

the sugar ribsose

d)

a nitrogenous base

51.

The purple portion of the diagram shows?

a)

a phosphate group

b)

the sugar deoxyribose

c)

the sugar ribose

d)

a nitrogenous base

52.

The salmon colored portion shows?

a)

a phosphate group

b)

the sugar deoxyribose

c)

the sugar ribose

d)

nitrogenous base

53.

The part of the DNA that codes for proteins is the _______.

a)

the sugar deoxyribose

b)

the sugar ribose

c)

nitrogenous bases

d)

the phosphate group

54.

The part of the DNA that codes for proteins is the _______.

a)

none of the options listed

b)

covalent bonds

c)

hydrogen bonds

d)

ionic bonds

55.

Which portion or portions of the nucleotide make up the backbone of the DNA molecule?

a)

the sugar deoxyribose and the phosphate group

b)

the sugar deoxyribose

c)

the phosphate group

d)

nitrogenous bases

56.

Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, neither, or both.

There is a single origin of replication.

a)

prokaryotic

b)

eukaryotic

c)

both

d)

neither

57.

Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, or both.

The chromosome structure is linear.

a)

prokaryotic

b)

eukaryotic

c)

both

d)

neither

58.

Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, or both.

The enzyme telomerase is present.

a)

prokaryotic

b)

eukaryotic

c)

both

d)

neither

59.

Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, neither, or both.

DNA replication goes in 2 directions - with a leading strand and a lagging strand.

a)

prokaryotic

b)

eukaryotic

c)

both

d)

neither

60.

Determine if the following describes DNA, RNA, neither or both

The monomers are nucleotides.

a)

DNA

b)

RNA

c)

Neither

d)

Both

61.

Determine if the following describes DNA, RNA, neither, or both

Is single stranded

a)

DNA

b)

RNA

c)

Neither

d)

Both

62.

Determine if the following describes DNA, RNA, neither, or both

Contains the sugar deoxyribose

a)

DNA

b)

RNA

c)

Neither

d)

Both

63.

Determine if the following describes DNA, RNA, neither, or both

Contains a phosphate

a)

DNA

b)

RNA

c)

Neither

d)

Both

64.

What is the codon for phenylalanine?

(a)  

65.

Determine if the following describe prokaryotic DNA replication, eukaryotic DNA replication, or both.

The enzyme telomerase is present.

a)

prokaryotic

b)

eukaryotic

c)

both

d)

neither