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DNA Test Review

Total questions: 55

Worksheet time: 46mins

Name
Class
Date
1.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
2.
Which of the following monomers are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
3.

In eukaryotes, which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

4.

The name for the two-sided spiraling shape of DNA is called

a)

double helix

b)
A lipid molecule
c)

double ladder

d)

double spiral

5.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
6.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
7.

Which sequence of DNA bases would be the complementary strand to this sequence ATG TGA CAG

a)

ATG TGA CAGqu

b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
8.
Sometimes, DNA is called "semi-conservative." Why might this be?
a)
The old strand is "conserved" and used to make the new strands
b)
Uracil is "conserved" in that it is only used to make the new strands
c)
ATP is "conserved" via the usage of facilitated diffusion
d)
Ligase is "conserved" in that it is denatured by the process
9.
order of replication
a)
3, 4, 2, 1
b)
3, 1, 4, 2
c)
2, 1, 4, 3
d)
3, 4, 1, 2
10.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
11.
Place the following in sequential order
1. Recoil
2. Straightens the double helix
3. Breaks Hydrogen bonds
4. Adds Free nucleotides
a)
1, 2, 3, 4
b)
3, 4, 2, 1
c)
3, 2, 4, 1
d)
2, 3, 4, 1
12.

What is the central dogma of molecular biology centered upon?

a)

protein synthesis

b)

translation

c)

transcription

d)

replication

13.
In a strand of DNA, if it contains 20% of Thymine, then how much Guanine would be present?
a)
30%
b)
20%
c)
80%
d)
10%
14.

What type of RNA makes up the ribosome?

a)

tRNA

b)

mRNA

c)

rRNA

d)

nRNA

15.

What type of RNA moves to the ribosome to start protein synthesis?

a)

tRNA

b)

mRNA

c)

rRNA

d)

nRNA

16.
If you are missing or have an extra base  at the end of your mutated DNA . What type of mutation occurred?
a)
Substitution
b)
Frameshift
c)
Duplication 
d)
Insertion
17.
mRNA is read in chunks of three, called...
a)
quadralets
b)
anticodons
c)
codons
d)
capsids
18.
Why are framshift mutations harmful?
a)
They cause chromosomes to break
b)
Every amino acid following the mutation will be different
c)
They cause the DNA to relocated
d)
They burn out your clutch
19.

A parent that has a mutation to their skin cells can pass this mutation to their offspring

a)

True

b)

False

20.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
21.

What does int mean to have a trisomy mutation

a)

there is an extra chromosome

b)

a chromosome is lost

c)

there is no chromosome

d)

there is a pair of chromosomes

22.

What does the arrow indicate on the DNA model?

a)

The bond between adjacent phosphate and deoxyribose molecules

b)

The junction of introns and exons in the sense strand of DNA

c)

The hydrogen bond between complementary nucleotides

d)

The junction of a codon and a DNA triplet

23.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)

Incomplete Dominance

b)

Co-dominance

c)

Independent assortment

d)

Recessive inheritance

24.

What type of RNA is involved in protein synthesis?

a)

rRNA

b)

mRNA

c)

tRNA

d)

all of the above

25.

Which type of mutation affects more than one gene?

a)

gene mutation

b)

chromosome mutation

c)

point mutation

d)

frameshift mutation

26.

Check all that apply. What parts make up the RNA nucleotide?

a)

phosphate

b)

deoxyribose

c)

Thymine

d)

ribose

e)

Uracil

27.

The whole picture here could be titled with which of the following?

a)

transcription of molecular genetics

b)

translation of molecular genetics

c)

replication of molecular genetics

d)

central dogma of molecular genetics

28.

What is the name of the process that makes the molecule labeled with 3?

a)

transcription of molecular genetics

b)

translation of molecular genetics

c)

replication of molecular genetics

d)

central dogma of molecular genetics

29.

What is the name of the molecule labeled 4?

a)

tRNA

b)

rRNA

c)

mRNA

d)

amino acid

30.

What is the number associated with the organelle that functions in protein synthesis?

a)

2

b)

5

c)

9

d)

1

31.

What is the name of the triplet of bases that is found on the mRNA that codes for an amino acid?

a)

amino acid

b)

tRNA

c)

anticodon

d)

codon

32.

All organisms share the _________ which is the major reason transgenic organisms can express foreign genes.

a)

the same genome

b)

same basic genetic code

c)

same proteins

d)

traits

33.

This type of mutation involves inserting a piece of DNA where it does not belong. Known as a frameshift mutation.

a)

Substitution Mutation

b)

Deletion Mutation

c)

Insertion Mutation

34.

Which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

35.

What are the building blocks of proteins called?

a)

DNA

b)

RNA

c)

Ribosomes

d)

Amino Acids

36.

WHERE does TRANSLATION occur?

a)

ribosome

b)

cytoplasm

c)

nucleus

d)

cell

37.

Which organelle makes proteins?

a)

ribosome

b)

nucleus

c)

mitochondria

d)

chloroplast

38.

Which type of RNA is the message of the decoded gene from DNA?

a)

mRNA

b)

rRNA

c)

tRNA

d)

rDNA

39.

Which type of RNA is the carrier of amino acids?

a)

mRNA

b)

rRNA

c)

tRNA

d)

DNA

40.

RNA has ________ sugar.

a)

ribose

b)

deoxyribose

c)

glucose

d)

galactose

41.

Which amino acid matches with the following codon:

CAC

a)

STOP

b)

HIS

c)

LYS

d)

ARG

42.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
43.

Macromolecules are made of repeating subunits called

a)

monomers

b)

monosaccharides

c)

polymers

d)

polysaccharides

44.

The genetic code (using A,T,C,G) is a universal code

a)

True

b)

False

45.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
46.
Where does transcription take place?
a)
nucleus
b)
ribosome
c)
cytoplasm
d)
smooth ER
47.
The anticodon is located on 
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
48.

In RNA, Uracil pairs with ______.

a)

cytosine

b)

adenine

c)

guanine

d)

thymine

49.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
50.

The process where you create an additional copy of DNA is called

a)
translation
b)
transcription
c)
replication
51.

The process to go from mRNA to proteins is _______

a)
translation
b)
transcription
c)
replication
52.

DNA holds the code for

a)

lipids

b)

carbohydrates

c)

proteins

d)

sugars

53.

What process is going on in this photo?

a)

Transcription

b)

Translation

c)

Replication

d)

All the above

54.
DNA has a ______ strand; RNA has a ______ strand.
a)
double/double
b)
double/triple
c)
double/single
d)
single/single
55.

What are the two steps of protein synthesis (in order)?

a)

Translation and Replication

b)

Transcription and Translation

c)

Replication and Transcription

d)

Replication and Mitosis

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