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PAP Unit 6 Test REVIEW

Total questions: 70

Worksheet time: 35mins

Name
Class
Date
1.

What does DNA stand for?

a)

ribonucleic acid

b)

nucleic acid

c)

deoxyribonucleic acid

d)

deoxyribo

2.

What is the name of the sugar that makes up DNA?

a)

ribose

b)

deoxyribose

c)

fructose

d)

glucose

3.

A nitrogen base, sugar, and a phosphate group is called a ___.

a)

nucleotide

b)

nucleus

c)

protein

d)

DNA

4.

Identify the labels

a)

A is phosphate, B is sugar, and C is nitrogen base

b)

A is nitrogen base, B is phosphate, and C is sugar.

c)

A is sugar, B is phosphate, and C is nitrogen base.

d)

A is sugar, B is nitrogen base, and C is phosphate.

5.

What is the structural shape of the DNA molecule called?

a)

single helix

b)

deoxyribo helix

c)

ribo helix

d)

double helix

6.

What are the four bases of DNA?

a)

adenine, thymine, uracil, guanine

b)

adenine, thymine, guanine, cytosine

c)

thymine, cytosine, uracil, guanine

d)

adenine, uracil, guanine, cytosine

7.

How do the nitrogen bases of DNA pair up?

a)

A-T and G-C

b)

A-G and T-C

c)

A-U and G-C

d)

A-C and G-U

8.

What type of bond holds the DNA bases together?

a)

covalent

b)

hydrogen

c)

peptide

d)

ionic

9.

What type of bond joins molecules that make up the backbone of the DNA molecule?

a)

covalent

b)

hydrogen

c)

peptide

d)

ionic

10.

What parts of the nucleotide make up the "backbone" of the DNA molecule?

a)

sugars

b)

nitrogen bases

c)

phosphates

d)

sugar and phosphate

11.

What parts of the nucleotide make up the "rungs" of the DNA molecule?

a)

sugars

b)

nitrogen bases

c)

phosphates

d)

sugar and phosphates

12.

When DNA makes a copy of itself, __ breaks hydrogen bonds between nitrogen bases, opening up the DNA molecule for transcription.

a)

ligase

b)

DNA polymerase

c)

helicase

d)

RNA polymerase

13.

What is the process called where DNA makes a copy of itself and when does it happen?

a)

DNA multiplication; interphase

b)

DNA translation; S phase

c)

DNA copying; interphase

d)

DNA Replication/Synthesis; S phase

14.

When DNA makes a copy of itself, ___ pairs new, free floating nucleotides to exposed nitrogen bases of the DNA template.

a)

DNA polymerase

b)

RNA polymerase

c)

helicase

d)

ligase

15.

When DNA makes a copy of itself, ___ bonds/glues together the sugars and phosphates.

a)

DNA polymerase

b)

RNA polymerase

c)

ligase

d)

helicase

16.

Why is DNA replicated?

a)

so translation can happen

b)

so each daughter cell of the cell cycle has the proper amount of DNA

c)

so transcription can happen

d)

so you never run out of DNA

17.

What would be the complementary strand of DNA for:

A T T G C G T C A

a)

UAACGCAGU

b)

TUUCGCUGT

c)

TAAGCGACT

d)

TAACGCAGT

18.

RNA is different than DNA because RNA shape is

a)

single helix

b)

single ladder

c)

single spiral

d)

double ladder

19.

RNA is different than DNA because the RNA sugar is

a)

ribose

b)

glucose

c)

fructose

d)

deoxyribose

20.

The base that pairs with adenine in RNA is

a)

urosine

b)

guanine

c)

cytosine

d)

uracil

21.

In eukaryotic cells, DNA can be found

a)

in the nucleus only

b)

in the cytoplasm only

c)

in the nucleus and cytoplasm

d)

in the nucleolus

22.

In eukaryotic cells, RNA can be found

a)

in the nucleus only

b)

in the nucleus and cytoplasm

c)

in the cytoplasm only

d)

in the lysosomes

23.

In RNA molecules, uracil is complementary to

a)

thymine

b)

guanine

c)

cytosine

d)

adenine

24.

Where in the cell does protein synthesis take place?

a)

ribosome

b)

endoplasmic reticulum

c)

nucleus

d)

lysosome

25.

Creating mRNA by copying DNA instructions is called

a)

protein synthesis

b)

transcription

c)

translation

d)

RNA replication

26.

Where does transcription take place?

a)

cytoplasm

b)

ribosome

c)

nucleus

d)

mitochondria

27.

The use of tRNA to build a protein is called

a)

transcription

b)

translation

c)

replication

d)

DNA synthesis

28.

What would be the mRNA strand for this DNA?

GTA CGT ATC

a)

GAT CGA TAC

b)

GAU CGA UAC

c)

CUT GCU TUG

d)

CAU GCA UAC

29.

If the DNA is GCA, what would the mRNA be?

a)

CGT

b)

GCU

c)

CGU

d)

GCT

30.

If the DNA is GCA, what would the tRNA be?

a)

GCT

b)

CGU

c)

GCA

d)

GCU

31.

If the DNA is CAT, the mRNA would be __.

a)

GTA

b)

CUA

c)

CTA

d)

GUA

32.

If the DNA is CAT, the tRNA would be __.

a)

GUA

b)

CAU

c)

CUA

d)

GTA

33.

What molecule is needed to carry DNA instructions to the ribosome?

a)

DNA

b)

rRNA

c)

tRNA

d)

mRNA

34.

Where does translation take place?

a)

cytoplasm

b)

nucleus

c)

ribosome

d)

mitochondria

35.

This is a picture of __ and its function is __.

a)

ribosome; protein synthesis

b)

tRNA; read mRNA and bring amino acids to rRNA

c)

mRNA; copy DNA and take it to ribosome

d)

rRNA; bind amino acids to build a protein

36.

This is a picture of __ and its function is to __.

a)

ribosome; bind amino acids to build a protein

b)

mRNA; carry DNA instructions to the rRNA

c)

tRNA; read mRNA and bring amino acids to rRNA

d)

ribosome; synthesize proteins

37.

This is a picture of __ and its function is to __.

a)

nucleus; hold DNA instructions

b)

tRNA; read mRNA and bring amino acids to the ribosome

c)

mRNA; carry DNA instructions to the ribosome

d)

rRNA; protein synthesis

38.

The ball at the top of this picture represents __.

a)

tRNA

b)

mRNA

c)

amino acid

d)

protein

39.

What process is being represented by this picture?

a)

transcription

b)

replication

c)

translation

d)

DNA synthesis

40.

This image is called __.

a)

Protein Synthesis

b)

Central Process

c)

Central Dogma

d)

Nuclear Protein

41.

This term means turning ON/OFF or controlling the RATE of protein synthesis.

a)

protein expression

b)

gene controls

c)

gene regulation

d)

protein function

42.

Temperature, light, food/water quality and toxins are examples of __ that influence gene expression.

a)

internal factors

b)

external factors

c)

gene factors

d)

expression factors

43.

Gene expression is influenced by __.

a)

external factors

b)

internal factors

c)

both

d)

nothing

44.

Himalayan rabbits getting black fur on extremities in cold weather is an example of __.

a)

external factor for gene expression

b)

internal factor for gene expression

c)

both

d)

neither

45.

The difference in male/female peacock tail feathers is an example of __.

a)

external factor of gene expression

b)

internal factor of gene expression

c)

both

d)

neither

46.

Gene regulation can make genes __.

a)

turn on

b)

turn off

c)

go at different rates

d)

all are correct

47.

Gender and signaling molecules are examples of __ that influence gene expression.

a)

internal factors

b)

external factors

c)

both

d)

neither

48.

Using rRNA, mRNA, and rRNA to build proteins is called __.

a)

transcription

b)

translation

c)

DNA synthesis

d)

RNA synthesis

49.

The mRNA codon UUU codes for what amino acid?

a)

phenylalanine

b)

lysine

c)

leucine

d)

proline

50.

A DNA triplet of CCC would result in what amino acid?

a)

proline

b)

lysine

c)

glycine

d)

arginine

51.

The mRNA codon of UAG codes for what amino acid?

a)

cytosine

b)

tyrosine

c)

leucine

d)

stop

52.

The DNA triplet of TAT codes for what amino acid?

a)

isoleucine

b)

methionine

c)

threonine

d)

glutamic acid

53.

The tRNA anticodon GAU codes for what amino acid?

a)

aspartic acid

b)

leucine

c)

valine

d)

histidine

54.

3 base letters of mRNA is called a __.

a)

anticodon

b)

triplet

c)

codon

d)

tricode

55.

Codons represent what molecule?

a)

DNA

b)

mRNA

c)

tRNA

d)

rRNA

56.

Anticodons represent which molecule?

a)

DNA

b)

mRNA

c)

tRNA

d)

rRNA

57.

A ribosome is represented by which molecule?

a)

rRNA

b)

tRNA

c)

mRNA

d)

DNA

58.

This pairs with the mRNA and brings the correct amino acid to the ribosome.

a)

nucleus

b)

triplet

c)

codon

d)

anticodon

59.

What bond is used to connect amino acids when building a protein?

a)

covalent

b)

hydrogen

c)

ionic

d)

peptide

60.

During translation, the growing protein chain will detach from the rRNA when

a)

a stop codon is found on the mRNA

b)

a stop codon is found on the tRNA

c)

the nucleus sends a stop signal

d)

the tRNA runs out of amino acids

61.

The portions of DNA that actually code for proteins is called __.

a)

chromosomes

b)

nucleotides

c)

introns

d)

exons

62.

Insertion and deletion are types of __ mutations.

a)

point

b)

frameshift

c)

genetic

d)

gametic

63.

Mutations in the __ cells may be passed to the next generation.

a)

somatic

b)

gametic

c)

gender

d)

mitotic

64.

Substitution mutations are examples of __ mutations.

a)

point

b)

frameshift

c)

gametic

d)

somatic

65.

A possible result of mutations is

a)

change in the function of the protein

b)

no change in the function of the protein

c)

a truncated/stopped protein

d)

all are possible

66.

Causes of mutations can be

a)

physical

b)

biological

c)

chemical

d)

all are possible

67.

Factors that can cause mutations are called __.

a)

externals

b)

mutagens

c)

introns

d)

metasis

68.

Frameshift mutations affect __, while point mutations affect __.

a)

several triplets; several triplets

b)

one triplet; several triplets

c)

one triplet; one triplet

d)

several triplets; one triplet

69.

Proteins responsible for turning genes on and off are called __.

a)

regulatory proteins

b)

promoter proteins

c)

introns

d)

exons

70.

Portions of DNA that do not code for protein production are called __.

a)

mutons

b)

introns

c)

exons

d)

operons