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Bundle 4 Extra Credit

Total questions: 50

Worksheet time: 41mins

Name
Class
Date
1.

In what process is mRNA synthesized?

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Mitosis

2.

Why must transcription occur in the nucleus?

a)

because DNA can't leave the nucleus

b)

because ribosomes are in the nucleus

c)

because DNA polymerase is found there

d)

because helicase unzips the DNA

3.

What brings the amino acids to the ribosome to assemble a protein?

a)
mRNA
b)
tRNA
c)
rRNA
d)

DNA

4.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

5.

Which anticodon would be placed in spot #2

a)

GGC

b)

CCA

c)

GGA

d)

GGT

6.

Which process does this diagram illustrate?

a)

transcription

b)

DNA replication

c)

translation

7.

True or False: mRNA contains anticodons and tRNA contains codons.

a)

True

b)

False

8.

How can a mutation in the DNA sequence result in NO change to the protein that is made?

a)

There are multiple codons that can code for the same amino acid and result in the same protein

b)

There is always a change in the protein when a mutation occurs

c)

Only the mRNA is used in protein synthesis so a mutation in the DNA would have no effect on the protein

9.
what does a promoter do?
a)
it allows a gene to be transcribed
b)
it creates a DNA segment
c)
it is another word for ribosomes
d)
it is another word for RNA
10.
A protein that binds to the operator and blocks the RNA polymerase
a)
regulator
b)
repressor
c)
activator
d)
corepressor
11.
Why are insertion and deletion mutations so harmful?
a)
They change all of the codons from the mutation on down the line, which changes the amino acid sequence
b)
They insert things that an organism doesn't need.
c)
They often delete things that organisms need.
d)
Insertion and deletions are not any more harmful than substitution mutations.
12.
Identify the SUBSTITUTION mutation from the following DNA sequence: 
ATG CCA AAT
a)
ATG TCA AAT
b)
ATG CCT AAA T
c)
ATC CA  AT
d)
ATG CCA AAT
13.
What is the name given to part of a DNA molecule that codes for a protein?
a)
Glucose
b)
Chromosome
c)
Gene
d)
Phosphate
14.
How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?
a)
The two different cells become mutated
b)
The proteins expressed in each cell are different
c)
They actually have different DNA in the two types of cells.
d)
The genome of the different cells changes
15.
What structure of this molecule binds with the mRNA molecule?
a)
Amino Acid
b)
tRNA
c)
Anticodon
d)
Codon
16.

DNA molecule segment is : TTACGCAAG

The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

a)

Substitution

b)

Deletion

c)

Insertion

d)

Inversion

17.

ATTTGAGCC- Original

ATTGAGCC - Mutated

The example above is an example of a

a)

Insertion- Frameshift

b)

Deletion- Substitution

c)

Deletion -Frameshift

d)

All of the above

18.

Which Karyotype displays a female with Down syndrome?

a)
b)
c)
d)
19.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
20.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
21.
What does an open circle represent?
a)
Not Affected Male
b)
Not Affected Female
c)
Affected Male
d)
Affected Female
22.
What is this?
a)
Pedigree
b)
Karyotype
c)
Venn diagram
d)
Punnett Square
23.
Which sex chromosomes would indicate a typical human male?
a)
XX
b)
X
c)
XY
d)
XXY
24.

You are viewing a patients karyotype. You see 23 chromosomes total. There are no homologous chromosomes. Which type of cell are you viewing?

a)

Egg cell

b)

Zygote

c)

Skin cell

d)

White blood cell

25.

Based on the karyotype, what is the sex of this baby?

a)

Male

b)

Female

26.
Which structure is labeled as B in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
27.
A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called
a)
sister chromotids
b)
centromeres
c)
homologous chromosomes
d)
autosomes
28.
Which of the following would be considered a Gamete cell?
a)
Egg Cell
b)
Sperm Cell
c)
Both of these
d)
None of these
29.
The haploid number of human chromosomes is
a)
11
b)
12
c)
23
d)
46
30.
What is the relationship between DNA and chromosomes?
a)
Chromosomes are made of DNA
b)
DNA is made of chromosomes
c)
DNA and chromosomes are the same thing.
d)
All of the above are correct
31.
A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?
a)
100% BB
b)
75% BB and 25%Bb
c)
50 % BB and 50% Bb
d)
50% Bb and 50% bb
32.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
33.
What law states that in Tt the person will only show the dominant allele
a)
law of segregation
b)
law of independent assortment
c)
law of dominance
d)
law of punnett squares
34.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
35.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
36.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
37.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
38.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
39.
G = green, g = yellow
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
40.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
41.
W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?
a)
none
b)
3/4
c)
1/2
d)
all
42.

What amino acid would be added to the protein being formed during translation if the mRNA codon reads "AUG?"

a)

Phenylalanine

b)

Tyrosine

c)

Leucine

d)

Methionine

43.

What amino acid would be added to the protein being formed during translation if the mRNA codon reads "CCU?"

a)

Isoleucine

b)

Stop

c)

Methionine

d)

Proline

44.

What is the correct amino acid sequence if the DNA code of the gene is TAC CGT TTG GCA?

*You will have to figure out the mRNA codons before figuring out the amino acid sequence

a)

Met-Ala-Asn-Ala

b)

Met-Ala (because the third codon codes for STOP)

c)

Ileu-Ala-Asn-Ala

d)

Met-Ala-Asn-Arg

e)

Ileu-Ala-Asn-Ala

45.

RNA and DNA have different structures. Which of the following statements are correct?

a)

RNA is double stranded and DNA is single stranded.

b)

RNA and DNA are both single stranded.

c)

RNA is single stranded and DNA is double stranded.

d)

RNA and DNA are both double stranded.

46.

RNA and DNA are composed of different sugars. Which of the following statements are true?

a)

RNA uses ribose and DNA uses deoxyribose.

b)

RNA uses deoxyribose and DNA uses ribose.

c)

DNA and RNA both use ribose sugars.

d)

DNA and RNA both use deoxyribose sugars.

47.
Which enzyme is needed to unwind and unzip the double helix in order to make a copy of it?
a)
DNA helicase
b)
DNA ligase
c)
DNA replicase
d)
DNA polymerase
48.
The mRNA codon UGA would correspond with which tRNA anticodon?
a)
ACT
b)
ACU
c)
UCU
d)
ACA
49.
Which enzyme is needed to bring free nucleotides to create a new strand of DNA in DNA replication?
a)
DNA helicase
b)
DNA ligase
c)
DNA replicase
d)
DNA polymerase
50.

Which is in order from largest to smallest structure?

a)

chromosome, DNA strand, gene, nucleotide

b)

chromosome, gene, DNA strand, nucleotide

c)

gene, DNA strand, chromosome, nucleotide

d)

DNA strand, chromosome, gene, nucleotide

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