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Triad 4 Exam

Total questions: 32

Worksheet time: 35mins

Name
Class
Date
1.

There are 3 types of RNA. What are they? (Select all that apply)

a)

tRNA

b)

rRNA

c)

mRNA

d)

xRNA

2.
RNA contains the sugar
a)
ribose
b)
deoxyribose
c)
glucose
d)
lactose
3.

The Process of creating RNA from DNA

a)

Transcription

b)

Translation

c)

Replication

4.

In RNA the base T is replaced with

a)

U

b)

G

c)

C

d)

A

5.

What combines together to make a protein?

a)

Amino Acid

b)

RNA

c)

Ribosome

d)

DNA

6.

What organelle is the site of translation? (Where proteins are put together.)

a)

Nucleus

b)

Ribosome

c)

Mitochondria

d)

Chloroplast

7.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
8.

This image shows a picture of a ribosome - what type of RNA is this?

a)

rRNA

b)

mRNA

c)

tRNA

9.

What type of RNA is shown in this image?

a)

rRNA

b)

mRNA

c)

tRNA

10.

What type of RNA is shown in this image?

a)

rRNA

b)

mRNA

c)

tRNA

11.

What do we call the shape a DNA molecule takes?

a)

double-stranded

b)

double helix

c)

sugar-phosphate backbone

d)

pentagon

12.
If a DNA strand reads ATT CGT CTA, what would the mRNA strand read?
a)
TAA GCA GAT
b)
CGA TGA GUT
c)
UAA GCA GAU
d)
TAA GCA GUT
13.
Transfer RNA or tRNA reads the mRNA in groups of three bases called...
a)
codons
b)
codes
c)
anticodons
d)
bases
14.

Which nucleotide is complementary to adenine in DNA?

a)

adenine

b)

thymine

c)

cytosine

d)

guanine

15.

What will be the complementary DNA sequence resulting from the following:

GAT-TAC-AGA-TTA-CAT?

a)

CTA-ATG-TCT-AAT-GTA

b)

GAU-UAG-UGA-UUA-GUT

c)

CUA-AUG-UCU-AAU-GUA

d)

CAT-ACA-TAC-ATA-TAG

16.
What 3 things make up a nucleotide?
a)
Sugar, Phosphate, Nitrogen Base
b)
Sugar, Hydrogen, Carbon
c)
Carbon, Phosphate, Nitrogen
d)
mRNA, tRNA and rRNA
17.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
18.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

19.
Where do mutations occur?
a)
DNA and RNA
b)
DNA 
c)
RNA
d)
mRNA and tRNA
20.
Which of the following lists, in order, the phases of mitosis?
a)
interphase, metaphase, anaphase, telophase
b)
prophase, metaphase, anaphase, telophase
c)
prophase, metaphase, anaphase, interphase
d)
prophase, anaphase, metaphase, telophase
21.
The observable traits of an organism are known as its
a)
allele
b)
dominance
c)
phenotype
d)
genotype
22.
What is the percentage of homozygous recessive offspring?
a)
0%
b)
25%
c)
50%
d)
75%
23.
D = dimples        d = no dimples 
What is the genotype for a homozygous recessive offspring?
a)
DD
b)
Dd
c)
dd
24.
Round (R) seeds are dominant to wrinkled (r) seeds.
What is the genotype for a homozygous dominant offspring?
a)
RR
b)
Rr
c)
rr
25.
This type of inheritance pattern shows BOTH traits in possible offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
26.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
27.

Passing on traits from parents to offspring

a)

Chromosome

b)

Genotype

c)

Heredity

d)

Allele

28.

The study of heredity

a)

Genetics

b)

Genome

c)

Allele

d)

Punnett Square

29.

The Italian monk/scientist who first showed

the principles of genetics

a)

Watson and Crick

b)

Linnaeus

c)

Darwin

d)

Mendel

30.
This image shows a...
a)
Punnett Square
b)
Phenotype
c)
Genotype
d)
Dominant allele
31.
How are Incomplete Dominance and Co Dominance different than a normal Mendelian cross?
a)
There is no difference
b)
The heterozygous genotype has a unique phenotype
c)
There is no heterozygous genotype
d)
There is only one phenotype regardless of genotype.
32.
Snap dragon color is a incomplete dominant trait.  A red flower (RR) is crossed with white flower (rr)? What color are flowers that are Rr?
a)
Red
b)
Red and White
c)
White
d)
Pink

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